Twin Fin Buying Guide: Find Your Perfect Match

How to Use This Guide

We carry 23 True Ames twin fin models. That's a lot of options. This guide helps you narrow it down.

We rate every twin fin on four attributes, each scored 0–100:

Upright → Raked (Template Shape): Low = upright fin that pivots quickly, tight turns, easy tail release. High = raked/swept fin for drawn-out carves, wide arcs, more hold on the wave face.
Loose → Stable (Hold & Grip): Low = skatey, slidey, playful — the tail breaks free easily. High = locked in, predictable — the tail holds where you put it.
Control → Drive (Speed Generation): Low = predictable tracking, holds its line. High = generates speed through turns, the slingshot effect out of bottom turns.
Responsive → Projection (Energy & Flow): Low = instant reaction to input, quick pivots. High = speed and energy generated out of turns, acceleration and flow down the line.

These aren't good-vs-bad scales. A score of 30 on Loose → Stable means the fin is loose — that's exactly what some surfers want. A score of 90 means it's very stable — perfect for others. Start with what kind of surfer you are or what waves you ride, then find the fins that match.

Recommendations by Surfer Type

Lightweight Surfer (under 150 lbs / 68 kg)

Less weight means less pressure on fins. Can use smaller area and still maintain hold. Risk of over-finning with large keels.

Top picks:

Furrow Twin — Small area (19.46 sq in) — won't overwhelm a light surfer
Lovelace Twin — Smallest area (18.73 sq in) — perfect engagement for light feet
TA High Pro Twin — Small area (19.28 sq in), responsive, performance-oriented
Tappy Twin — Moderate area (20.15 sq in) with good flow — not too much fin

Avoid:

Tyler Warren Modern Keel — 25.64 sq in is too much fin — will feel stiff and dead
Wayne Rich Nightmare Twin — 25.81 sq in — a lightweight can't load this fin properly
Hobie Twin — 25.02 sq in — same issue, too much area

Heavy Surfer (over 185 lbs / 84 kg)

More weight means more pressure. Needs more area for adequate hold. Small fins will spin out. Benefits from stiff, solid fiberglass.

Top picks:

Beamish Twin — 23.24 sq in, 6.27" base — big enough to hold a big surfer
Danny Hess Noriega Keel — 24.56 sq in — keel hold for heavy feet
Tyler Warren Modern Keel — 25.64 sq in — maximum area for maximum weight
Wayne Rich Nightmare Twin — 25.81 sq in — biggest area, handles the heaviest surfers
Hobie Twin — 25.02 sq in — classic keel with enough area for big riders

Avoid:

Lovelace Twin — 18.73 sq in — will spin out under heavy feet
TA High Pro Twin — 19.28 sq in — not enough hold for a heavy surfer
Furrow Twin — 19.46 sq in — too small for heavyweight use

Beginner to Intermediate (learning twins)

Stability is key. Loose setups will frustrate new twin riders. Start with something predictable and forgiving, then move toward looser setups as confidence builds.

Top picks:

TA Twin — The house twin — stable (70), drive-oriented (70), predictable. The default first twin fin.
Alpha Omega Twin — Stable (70) and tall (5.62") — forgiving and confidence-inspiring
Beamish Twin — Very stable (80) — hard to spin out. Great training wheels for twin fin feel.
Lovelace Piggyback Keel — Stable (70) with keel-like hold — familiar feel for thruster converts

Avoid:

Lovelace Twin — Loosest fin (40 stability) — will feel uncontrolled for new twin riders
Furrow Twin — The 'Loose Control' concept requires control skills to exploit

Advanced Surfer

Can handle any setup. Choice depends on conditions, board, and mood. Ideally owns 2-3 sets for different days.

Suggested quiver (2–3 sets):

Furrow Twin or TA High Pro Twin — Small wave / beach break — pivot and play
TA Twin or Alpha Omega Twin — All-around — the go-to for good conditions
Danny Hess Noriega Keel or Beamish Twin — Big day / point break — drive and hold when it counts

Power Surfer (aggressive, hard-turning style)

Generates lots of pressure through turns. Needs fins that can handle the load and convert it to speed. Benefits from long base, more area, stiffer material.

Top picks:

Stussy Power Twin — Named for this. Drive (70) for power turns without keel commitment.
Beamish Twin — Wide base (6.27") absorbs power and converts to drive
Wayne Rich Nightmare Twin — Hatchet keel — loads up under pressure and slingshots forward
Valaric Libra Twin — Upright stability (70) and drive (70) — power turns with hold

Flow/Style Surfer (trim, cruise, smooth lines)

Values speed, flow, and smooth arcs over snappy maneuvers. Twin fins were born for this style. Raked templates and projection shine.

Top picks:

Hobie Twin — The original flow fin. Maximum speed, long carves, pure trim.
Tyler Warren Modern Keel — The ultimate speed keel — fly down the line
Mandala Twin — Flow-forward without keel commitment — smooth speed with maneuverability
Stussy Roots Twin — Flow and projection — smooth lines with moderate area

Recommendations by Wave Condition

Small & Mushy (1-3 ft, weak, onshore)

Gutless conditions where speed generation is critical. Twin fins excel here — no center fin drag. Need pivot ability for short wave faces.

Top picks:

Furrow Twin — Upright pivot + balanced feel livens up any board in small surf
Lovelace Twin — Loosest fin — maximum skatey fun in small waves
Tappy Twin — Projection-forward character generates speed in weak waves
Wayne Rich Twin — Upright pivot with projection — keeps speed in short sections

Avoid:

Tyler Warren Modern Keel — Too much area and rake for small waves — will feel draggy and stiff
Hobie Twin — Full keel is overkill in gutless conditions — too much fin, not enough wave

Chest to Head High, Clean (3-5 ft, offshore/glassy)

The sweet spot for twin fins. Enough power to engage the fins, enough face to carve. Most fins work here.

Top picks:

TA Twin — The default recommendation — reliable drive and stability for good waves
Mandala Twin — Flow-forward character capitalizes on clean open faces
Alpha Omega Twin — Stable performance — confidence on clean walls
Stussy Power Twin — Drive-forward for surfers who push hard in good waves

Overhead & Powerful (5-8 ft, clean)

Need hold and drive. Fins must handle speed and pressure without washing out. Keels and stable twins shine.

Top picks:

Danny Hess Noriega Keel — Performance keel — holds in powerful surf while allowing direction changes
Beamish Twin — Wide base and stability handles power. Not a keel but acts like one.
Tyler Warren Modern Keel — Maximum drive for maximum walls — point break perfection
Valaric Libra Twin — Deep hold from tall fin height, upright pivot for critical sections

Avoid:

Lovelace Twin — Too loose and small for powerful surf — risk of spinout
Furrow Twin — Not enough area or hold for overhead power

Point Breaks (long walls, open faces)

Long walls reward raked templates and drive. You want to fly down the line and carve long arcs. The keel's natural habitat.

Top picks:

Tyler Warren Modern Keel — Built for this. Maximum rake, drive, speed on long walls.
Hobie Twin — Classic fish-on-a-point-break speed and flow
Danny Hess Noriega Keel — Keel drive with enough agility for the occasional tight section
Wayne Rich Nightmare Twin — Hatchet keel power — committed speed down the line

Beach Breaks (variable, punchy, short sections)

Need pivot for quick direction changes between short sections. Can't commit to long arcs. Upright and balanced fins.

Top picks:

Furrow Twin — Quick pivot for connecting short sections. 'Loose Control' was designed for this.
TA High Pro Twin — Upright performance — snappy direction changes in the pocket
Ryan Burch Twin — Adaptable neutral character handles variable beach break conditions
Tappy Twin — Balanced with projection — maintains speed between sections

Avoid:

Tyler Warren Modern Keel — Too raked and committed for short, variable sections
Wayne Rich Nightmare Twin — Needs long walls to shine — beach break pockets are too tight

Hollow Waves (steep faces, barrels)

Need hold on steep faces and quick adjustments. Upright fins with adequate depth work. Consider a trailer fin for extra security.

Top picks:

Valaric Libra Twin — Tall (5.5") for deep hold on steep faces, upright for quick adjustments
Lovelace FM Twin — Upright stability — holds on steep faces with quick pivot for barrel adjustments
Beamish Twin — Wide base and stability prevent spinout on late drops
Alpha Omega Twin — Tall (5.62"), stable — reliable in consequential conditions

Avoid:

Lovelace Twin — Too loose for steep faces — tail may wash out on critical drops

Understanding Fin Character Zones

Certain attribute combinations create distinct ride feels. Here are the main zones and which fins live in each:

Raked + Stable (Keel Territory)

How it feels: Cruise-and-drive machine. Long flowing carves with total hold. The board feels locked in and predictable. Maximum speed through turns.

Trade-off: Reduced maneuverability. Slower direction changes. Committed to long arcs.

Fins in this zone: Tyler Warren Modern Keel, Hobie Twin, Wayne Rich Nightmare Twin, Mackie Sidecut Keel

Best for: Point breaks, open walls, flow surfing, heavy surfers

Upright + Loose (Performance Twin Territory)

How it feels: Skatey, pivoty. Quick snaps, tight pocket surfing, tail slides accessible. Speed comes from staying in the power source rather than fin-generated drive.

Trade-off: Less hold, less drive. Can feel sketchy in powerful waves or for heavier surfers.

Fins in this zone: Furrow Twin, Lovelace Twin, TA High Pro Twin

Best for: Beach breaks, small waves, light surfers, advanced surfers wanting play

Stable + Driven + Upright (The Hybrid Sweet Spot)

How it feels: Drive and hold of a keel but with the tighter turning arc of an upright template. Fast but maneuverable. Power with pivot.

Trade-off: Unique feel that some surfers find unusual — it's stable like a keel but pivots like a twin. Takes adjustment.

Fins in this zone: Lovelace FM Twin, Valaric Libra Twin, Beamish Twin

Best for: All-around conditions, heavier surfers who don't want keels, powerful waves with tight sections

Balanced Across the Board

How it feels: Adaptable, predictable, no surprises. Does everything reasonably well without excelling at any extreme. The safe choice.

Trade-off: Won't blow your mind in any particular condition. Jack of all trades, master of none.

Fins in this zone: Ryan Burch Twin, TA High Pro Twin, Album Twin

Best for: Mixed conditions, one-fin-quiver, surfers who don't know what they want yet, intermediate surfers

Moderate Rake + Projection (Flow Twins)

How it feels: Speed and energy out of turns. Smooth flowing character. The board wants to go fast and link turns with projection.

Trade-off: Less pivot than upright fins. Less raw stability than keels. A middle path.

Fins in this zone: Mandala Twin, Stussy Roots Twin, Tappy Twin, Wayne Rich Twin

Best for: Clean conditions, fun-size to head high, flow-oriented surfers, modern fish designs

Individual Fin Profiles

Every True Ames twin fin we carry — with scores, who it's for, and what to try if you want something different.

Album Twin

$110Sold Out

Balanced All-Rounder

Dead center on rake and control, slightly stable, with moderate projection. A versatile fin that doesn't push hard in any direction — works on a variety of boards and conditions without dominating the ride feel.

Measurements: Height: 5.3" | Base: 5.27" | Area: 21.96 sq in

Scores:

Upright → Raked: 50
Loose → Stable: 60
Control → Drive: 50
Responsive → Projection: 60

Best for:

Waves: Waist to overhead, clean to slightly bumpy. Versatile across beach breaks and point breaks.
Surfers: Intermediate to advanced. Surfers who want one fin that works in most conditions.
Boards: Mid-range fish, modern twin-fin shortboards, egg shapes.
Style: Balanced — some carve, some pivot, nothing extreme.

If you want something different:

Want more drive: Try Alpha Omega Twin or TA Twin — similar balance but more push through turns.
Want looser: Try Lovelace Twin — similar rake but less area and more release.
Want more hold: Try Beamish Twin — similar rake but significantly more stability and drive.
Want more speed: Try Mandala Twin or Stussy Roots Twin — slightly more rake and projection.

Alex Lopez Diamond Twin

$110

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Compact All-Rounder

Moderate in everything with slightly less projection (40) and slightly less area (20.39 sq in) than average. The diamond template gives it a unique outline. A clean, understated fin that stays out of the way.

Measurements: Height: 5.25" | Base: 5.48" | Area: 20.39 sq in

Scores:

Upright → Raked: 50
Loose → Stable: 60
Control → Drive: 50
Responsive → Projection: 40

Best for:

Waves: Small to head high. Beach breaks, fun-size point waves.
Surfers: Lighter to average weight. Intermediate surfers who want something predictable.
Boards: Standard fish, retro twins, mid-length twins.
Style: Smooth, non-aggressive surfing. Trim and flow with moderate maneuverability.

If you want something different:

Want more projection: Try Album Twin — very similar but more projection (60 vs 40).
Want more stability: Try Alpha Omega Twin — steps up stability (70) and drive (60) noticeably.
Want looser: Try Lovelace Twin — less stable (40), more projection (60), smaller area.
Want more drive: Try Stussy Power Twin — more rake (60) and significantly more drive (70).

Alpha Omega Twin

$110

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Stable Performance Twin

Campbell Brothers design. Moderate rake, notably stable (70), with good drive. Taller fin (5.62") gives extra hold. A performance twin that won't surprise you — predictable and grippy without being locked in like a keel.

Measurements: Height: 5.62" | Base: 5.13" | Area: 22.07 sq in

Scores:

Upright → Raked: 50
Loose → Stable: 70
Control → Drive: 60
Responsive → Projection: 50

Best for:

Waves: Waist to well overhead. Handles power well due to stability. Good in point break walls.
Surfers: Intermediate to advanced. Heavier surfers who need hold from a non-keel. Thruster converts.
Boards: Performance fish, wider-tailed twins, classic fish shapes.
Style: Rail-to-rail carving with confidence. Not a tail-slide fin.

If you want something different:

Want more drive: Try TA Twin — similar stability but more drive (70 vs 60).
Want looser: Try Ryan Burch Large Twin — similar size, same rake, but looser (60 vs 70).
Want more pivot: Try Ryan Burch Twin — lower rake (40), same looseness, more upright template.
Want more projection: Try Tappy Twin or Mandala Twin — less stable but more projection (60).

Beamish Twin

$110Shop Now →

Stable Drive Machine

Wide base (6.27"), big area (23.24 sq in), very stable (80), strong drive (70), but responsive rather than projecting (40). A hybrid between a performance twin and a keel — lots of hold and push, but the upright-ish template (50) keeps it from tracking like a pure keel.

Measurements: Height: 5.21" | Base: 6.27" | Area: 23.24 sq in

Scores:

Upright → Raked: 50
Loose → Stable: 80
Control → Drive: 70
Responsive → Projection: 40

Best for:

Waves: Chest high to overhead+. Point breaks, clean walls with power. Handles size well.
Surfers: Heavier surfers (170+lbs). Power surfers who push hard through turns. Thruster converts.
Boards: Wide-tailed fish, retro fish, any board that needs to be tamed/stabilized.
Style: Powerful, rail-driven surfing with fast bottom-to-top transitions.

If you want something different:

Want looser: Try Album Twin or Ryan Burch Large Twin — drop stability significantly, maintain some drive.
Want more projection: Try Mandala Twin or Stussy Roots Twin — trade stability for projection and flow.
Want even more stable: Try Hobie Twin or Wayne Rich Nightmare — full keel territory with max stability.
Want same stability different feel: Try Lovelace FM Twin — same stability (80) but upright template (30) with drive, creating a unique fast-but-stable feel.

Danny Hess Noriega Keel

Danny Hess Noriega Twin - Futures Compatible (Solid Fiberglass)

$110

Sold Out

Performance Keel

Raked (80), stable (70), drive-oriented (70), and very responsive (30). A keel that still allows direction changes — the Noriega template is designed to give keel drive without pure-keel stiffness. Wide base (6.3") and big area (24.56 sq in) but the template is shaped for performance.

Measurements: Height: 5.05" | Base: 6.3" | Area: 24.56 sq in

Scores:

Upright → Raked: 80
Loose → Stable: 70
Control → Drive: 70
Responsive → Projection: 30

Best for:

Waves: Head high to well overhead. Point breaks, longer walls. Holds in powerful surf.
Surfers: All weights — the performance keel shape accommodates range. Advanced surfers who want keel speed with some agility.
Boards: Classic fish shapes, wider-tailed designs, Hess-style boards.
Style: Fast, flowing, drawn-out carves. Down-the-line speed with power turns.

If you want something different:

Want even more hold: Try Hobie Twin or Tyler Warren Modern Keel — max stability and drive territory.
Want more pivot: Try Alpha Omega Twin — drops to neutral rake (50) with similar stability (70).
Want more projection: Try Tyler Warren Modern Keel — even more raked (99) with more drive (90), though less responsive.
Want looser keel feel: Try Lovelace Piggyback Keel — same stability (70) but neutral rake (50), gives keel hold with more pivot.

Furrow Twin

Furrow High Aspect Twin - Futures Compatible (Solid Fiberglass)

$110

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Loose Control Specialist

Christine Brailsford's design — coined 'Loose Control.' Very upright (30), perfectly balanced loose/stable (50) and control/drive (50), and responsive (30). Smallest area of the smaller twins (19.46 sq in). Designed to liven up sticky fish shapes OR stabilize overly loose modern twins.

Measurements: Height: 5.06" | Base: 5.46" | Area: 19.46 sq in

Scores:

Upright → Raked: 30
Loose → Stable: 50
Control → Drive: 50
Responsive → Projection: 30

Best for:

Waves: Small to head high. Beach breaks, punchy waves, fun-size surf.
Surfers: Lighter to average surfers. Anyone wanting to add pivot and liveliness to their fish.
Boards: Traditional Lis-style fish (livens them up), overly loose modern twins (stabilizes them). Extremely versatile across board types.
Style: Quick, snappy, skatey. Tight pocket surfing. The surfer who wants twin-fin looseness with just enough control.

If you want something different:

Want more drive: Try Lovelace FM Twin — same upright template (30) but way more stability (80) and drive (70).
Want more stability: Try Ryan Burch Twin or TA High Pro Twin — similar upright feel but the Ryan Burch has slightly more area.
Want more projection: Try Wayne Rich Twin — similar upright template (40) but more projection (60) and drive (60).
Want bigger version: Try Lovelace FM Twin — upright (30) with significantly more area and stability for bigger surfers or bigger waves.

Hobie Twin

Hobie Fish - Futures Compatible (Solid Fiberglass)

$110

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Classic Full Keel

The original fish keel energy. Very raked (90), very stable (90), high drive (80), very responsive (20). Massive base (7.07") and big area (25.02 sq in). This is the traditional speed-and-flow keel — locked in, fast, and committed to long arcs.

Measurements: Height: 5.14" | Base: 7.07" | Area: 25.02 sq in

Scores:

Upright → Raked: 90
Loose → Stable: 90
Control → Drive: 80
Responsive → Projection: 20

Best for:

Waves: Any size with clean faces. Point breaks are the dream scenario. Long walls, open faces.
Surfers: All sizes, especially heavier surfers. Flow-oriented surfers. Surfers who want the classic fish experience.
Boards: Wide-tailed retro fish, classic swallow tails, Lis-style fish.
Style: Speed, flow, trim. Long drawn-out carves. Down-the-line flying. NOT for tight pocket surfing.

If you want something different:

Want more pivot: Try Danny Hess Noriega Keel — still raked (80) with good stability (70) but allows tighter turns.
Want even more drive: Try Tyler Warren Modern Keel — the most raked and driven fin in the lineup (99/90/90).
Want keel stability but looser: Try Mackie Sidecut Keel — same rake/stability tier but the sidecut template allows more release.
Want something completely different: Try Furrow Twin or Lovelace Twin — the polar opposite: upright, loose, and responsive.

Lovelace FM Twin

$110Sold Out

Upright Powerhouse

Unusual combination: very upright (30) but very stable (80) and drive-oriented (70). Tall (5.66"), wide base (5.84"), good area (22.46 sq in). It's like a keel's stability packed into an upright template — fast and stable but with tighter turning ability than raked keels.

Measurements: Height: 5.66" | Base: 5.84" | Area: 22.46 sq in

Scores:

Upright → Raked: 30
Loose → Stable: 80
Control → Drive: 70
Responsive → Projection: 30

Best for:

Waves: Head high to overhead. Waves with power. Beach breaks and point breaks both work.
Surfers: Average to heavier surfers. Surfers who want stability without the classic keel drawl.
Boards: Fish shapes that need stability. Wider-tailed twins. Boards that tend to feel too loose.
Style: Fast bottom turns with drive, but tighter arcs than a keel. Power surfing with upright pivot ability.

If you want something different:

Want looser: Try Furrow Twin — same upright template (30) but drops to balanced looseness (50) and less area.
Want more raked: Try Beamish Twin — similar stability (80) and drive (70) but neutral rake (50) for broader carves.
Want more projection: Try Wayne Rich Twin — trades stability (50) for projection (60) with a similar upright template (40).
Want maximum stability: Try Hobie Twin or Wayne Rich Nightmare — full keel stability but with raked templates.

Lovelace Piggyback Keel

$110

Shop Now →

Balanced Keel

A keel-style fin with neutral rake (50), good stability (70), moderate drive (60), and responsive feel (30). The piggyback design adds a secondary foil element. Bridges the gap between performance twins and full keels.

Measurements: Height: 5.13" | Base: 5.79" | Area: 21.87 sq in

Scores:

Upright → Raked: 50
Loose → Stable: 70
Control → Drive: 60
Responsive → Projection: 30

Best for:

Waves: Chest to overhead. Clean conditions preferred. Works in variety of wave shapes.
Surfers: Intermediate to advanced. Surfers who want keel-like hold without full keel commitment.
Boards: Fish shapes, wider twins, any board where you want keel hold with some versatility.
Style: Smooth carving with confidence. Not as committed to long arcs as full keels.

If you want something different:

Want more drive: Try TA Twin — same stability (70) and rake (50) but more drive (70).
Want full keel: Try Danny Hess Noriega Keel — steps up to raked (80) keel territory with more drive (70).
Want more projection: Try Alpha Omega Twin — same stability (70) but more projection (50 vs 30).
Want looser: Try Album Twin — drops stability to 60, maintains neutral rake, adds more projection (60).

Lovelace Twin

$110

Shop Now →

Loose Performance Twin

The loosest fin in the lineup (40). Small area (18.73 sq in), narrow base (4.59"), but neutral rake (50). Moderate projection (60). This is the fin for surfers who want maximum twin-fin skateyness without going fully upright.

Measurements: Height: 5.15" | Base: 4.59" | Area: 18.73 sq in

Scores:

Upright → Raked: 50
Loose → Stable: 40
Control → Drive: 50
Responsive → Projection: 60

Best for:

Waves: Small to head high. Fun waves, beach breaks, playful conditions.
Surfers: Lighter surfers (under 165 lbs). Advanced surfers comfortable with loose setups.
Boards: Narrower-tailed performance twins, modern fish, boards with enough rocker to handle looseness.
Style: Skatey, playful, free. Tail slides, quick snaps, loose arcs. Twin-fin purity.

If you want something different:

Want more stability: Try Album Twin — bumps up to 60 stability with similar projection and area.
Want more drive: Try Tappy Twin — adds drive (60) and stability (50) while keeping projection (60).
Want even more responsive: Try Furrow Twin — more upright (30) with slightly more area, trades projection for responsiveness.
Want same feel but bigger: Try Ryan Burch Large Twin — more area (22.11) and stability (60) for bigger surfers or bigger waves.

Mackie Sidecut Keel

Mackie Sidecut Fish Keel - Futures Compatible (Solid Fiberglass)

$110

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Sidecut Speed Keel

Extremely raked (90), very stable (80), high drive (80). The sidecut in the template reduces area (22.45 sq in despite massive 7.8" base) and allows more release than a traditional keel. Shortest height in the lineup (4.69"). A keel designed to go fast with some ability to break free.

Measurements: Height: 4.69" | Base: 7.8" | Area: 22.45 sq in

Scores:

Upright → Raked: 90
Loose → Stable: 80
Control → Drive: 80
Responsive → Projection: 30

Best for:

Waves: Any size with open faces. Point breaks, clean walls. The wider the wave face, the better.
Surfers: All sizes. Speed lovers. Surfers who like keels but want a bit more versatility.
Boards: Classic wide-tailed fish. Designed specifically for fish surfboards.
Style: Speed-first surfing. Long, fast carves with the ability to release the tail when needed.

If you want something different:

Want more hold: Try Hobie Twin or Tyler Warren Modern Keel — more area and stability for maximum grip.
Want more pivot: Try Danny Hess Noriega Keel — drops to raked (80) with slightly less stability, more turn ability.
Want similar drive less rake: Try Beamish Twin — drops rake to neutral (50), keeps stability (80) and drive (70).
Want something completely different: Try Furrow Twin — the anti-keel. Upright, balanced, responsive.

Mandala Twin

Mandala DELTA-V Twin - Futures Compatible (Solid Fiberglass)

$110

Sold Out

Flow-Forward All-Rounder

Slightly raked (60), balanced looseness (50), moderate drive (60), good projection (60). Moderate area (20.26 sq in). A fin that leans toward flow and projection without sacrificing much maneuverability. The Delta-V template is designed for smooth speed.

Measurements: Height: 5.24" | Base: 5.14" | Area: 20.26 sq in

Scores:

Upright → Raked: 60
Loose → Stable: 50
Control → Drive: 60
Responsive → Projection: 60

Best for:

Waves: Small to head high. Beach breaks and point breaks. Versatile across conditions.
Surfers: Average weight. Intermediate to advanced. Surfers who value flow and speed.
Boards: Modern fish, performance twins, Mandala boards, mid-range tail widths.
Style: Flowing, speed-oriented surfing with good maneuverability. Smooth transitions and projection out of turns.

If you want something different:

Want more drive: Try Stussy Power Twin — same rake (60) but more drive (70) for power turns.
Want more stability: Try Alpha Omega Twin — bumps stability to 70 and drive to 60, maintains balanced feel.
Want looser: Try Lovelace Twin — drops stability to 40, keeps projection (60), more skatey feel.
Want more responsive: Try Ryan Burch Twin — lower rake (40) for tighter turns, sacrifices some projection.

Ryan Burch Large Twin

Upsized Neutral Twin

Same template as the Ryan Burch Twin but scaled up — more area (22.11 vs 20.28 sq in), wider base (5.5 vs 5.34"), taller (5.37 vs 4.97"). Steps up stability (60) and drive (60) while maintaining the neutral, adaptable character.

Measurements: Height: 5.37" | Base: 5.5" | Area: 22.11 sq in

Scores:

Upright → Raked: 40
Loose → Stable: 60
Control → Drive: 60
Responsive → Projection: 50

Best for:

Waves: Small to overhead. Handles more size than the standard Ryan Burch. Good range.
Surfers: Heavier surfers (170+ lbs) who want the Burch template. Anyone who finds the regular size too loose.
Boards: Larger fish, wider-tailed twins, boards for bigger surfers.
Style: Same adaptable approach as the standard, just with more hold and drive for bigger surfers or bigger waves.

If you want something different:

Want the standard size: Try Ryan Burch Twin — same feel, less area, for lighter surfers or smaller waves.
Want more stability: Try Alpha Omega Twin or TA Twin — step up to 70 stability with more drive.
Want more projection: Try Mandala Twin — adds rake (60) and projection (60) for more flow.
Want different upright character: Try Wayne Rich Twin — similar rake (40) but more projection-forward character.

Ryan Burch Twin

$110Shop Now →

Neutral Performance Twin

Everything at or near center: upright-leaning (40), balanced looseness (50), balanced control/drive (50), balanced responsive/projection (50). Moderate area (20.28 sq in). The Swiss army knife — does nothing extreme, excels at being adaptable.

Measurements: Height: 4.97" | Base: 5.34" | Area: 20.28 sq in

Scores:

Upright → Raked: 40
Loose → Stable: 50
Control → Drive: 50
Responsive → Projection: 50

Best for:

Waves: Small to head high. Any wave type. The ultimate all-conditions fin.
Surfers: Average weight. Intermediate. Surfers who don't know what they want yet — this is a great starting point.
Boards: Diverse board quiver. Ryan Burch asymmetrics and fish shapes. Any standard twin-fin.
Style: Whatever you bring to it. Adaptable to power or flow or playfulness.

If you want something different:

Want more drive: Try Ryan Burch Large Twin — same template but larger, adds drive (60) and stability (60).
Want more projection: Try Wayne Rich Twin — similar template (40 rake) but adds projection (60) and drive (60).
Want more stability: Try Alpha Omega Twin — bumps stability to 70 and drive to 60 with neutral rake (50).
Want more responsive: Try Furrow Twin — drops to upright (30) with smaller area, adds snappy pivot.

Stussy Power Twin

Stüssy Power Twin - Futures Compatible (Solid Fiberglass)

$110Shop Now →

Drive-Forward Performer

Slightly raked (60), balanced looseness (50), notably drive-oriented (70), balanced projection (50). The name says it — this is about power through turns. The drive score (70) puts it in the upper tier without keel-level commitment.

Measurements: Height: 5.34" | Base: 5.32" | Area: 21.63 sq in

Scores:

Upright → Raked: 60
Loose → Stable: 50
Control → Drive: 70
Responsive → Projection: 50

Best for:

Waves: Waist to overhead. Waves with some power. Beach breaks where you need to generate speed through turns.
Surfers: Power surfers. Average to heavier weight. Surfers who push hard through bottom turns.
Boards: Performance fish, wide-tailed twins that need drive, boards for power surfing.
Style: Aggressive, drive-oriented turning. Bottom turns that generate speed. Power arcs.

If you want something different:

Want more projection: Try Stussy Roots Twin — same rake (60) but trades drive (60) for more projection (60).
Want more stability: Try Beamish Twin or TA Twin — bumps stability to 70-80 with similar drive.
Want looser: Try Mandala Twin — same rake (60) but less drive (60), more projection-forward feel.
Want more upright: Try Ryan Burch Large Twin — drops rake to 40, similar drive (60), more pivot ability.

Stussy Roots Twin

Stüssy Roots Twin - Futures Compatible (Solid Fiberglass)

$110

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Flow-Forward Performer

Slightly raked (60), balanced looseness (50), moderate drive (60), good projection (60). Very similar to the Mandala Twin in character. Less area (19.64 sq in) makes it slightly freer than the Mandala. A smooth, flowing fin for speed-oriented surfing.

Measurements: Height: 5.34" | Base: 5.13" | Area: 19.64 sq in

Scores:

Upright → Raked: 60
Loose → Stable: 50
Control → Drive: 60
Responsive → Projection: 60

Best for:

Waves: Small to head high. Clean conditions preferred for the flow-forward character.
Surfers: Average weight. Flow-oriented surfers who value smooth speed.
Boards: Performance fish, modern twins, Stussy boards.
Style: Smooth, flowing. Speed and projection out of turns. Drawn-out carves with good release.

If you want something different:

Want more drive: Try Stussy Power Twin — same rake (60) but more drive (70) for power turns.
Want more stability: Try Alpha Omega Twin — bumps stability to 70, maintains moderate drive.
Want more upright: Try Wayne Rich Twin — drops rake to 40, similar projection (60), more pivot ability.
Want less area: Try Lovelace Twin — drops area further, reduces stability (40), adds skatey looseness.

TA High Pro Twin

True Ames High Pro Twin - Futures Compatible (Solid Fiberglass)

$110Shop Now →

Performance-Oriented Neutral

Upright-leaning (40), perfectly balanced across all other attributes (50/50/50). Small area (19.28 sq in), short base (4.96"). The True Ames take on a high-performance twin — leans upright for pivot ability without going extreme in any direction.

Measurements: Height: 5.1" | Base: 4.96" | Area: 19.28 sq in

Scores:

Upright → Raked: 40
Loose → Stable: 50
Control → Drive: 50
Responsive → Projection: 50

Best for:

Waves: Small to head high. Beach breaks, punchy waves, tight pockets.
Surfers: Lighter to average weight. Intermediate to advanced. Surfers wanting performance from a twin.
Boards: Performance twins, narrower-tailed fish, modern twin-fin designs.
Style: Snappy, performance-oriented. Quick direction changes. Above-the-lip potential.

If you want something different:

Want more drive: Try Ryan Burch Large Twin or Wayne Rich Twin — step up drive (60) with similar upright templates.
Want more stability: Try Valaric Libra Twin — same rake (40) but jumps to 70 stability and 70 drive.
Want looser: Try Lovelace Twin — similar neutrality but less stable (40), more skatey.
Want even more upright: Try Furrow Twin — drops rake to 30, similar area, more pronounced pivot character.

TA Twin

$110

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Reliable Workhorse

True Ames' house twin. Neutral rake (50), good stability (70), strong drive (70), balanced projection (50). Tall (5.59") with moderate base (5.1"). A dependable, drive-oriented fin that provides confidence and push. The fin you recommend when someone just wants a good twin fin.

Measurements: Height: 5.59" | Base: 5.1" | Area: 21.44 sq in

Scores:

Upright → Raked: 50
Loose → Stable: 70
Control → Drive: 70
Responsive → Projection: 50

Best for:

Waves: Waist to overhead. All conditions. The default recommendation for uncertain conditions.
Surfers: Any weight. Intermediate to advanced. Thruster surfers transitioning to twins — the stability and drive feel familiar.
Boards: Any twin-fin board. Fish, retro, performance, egg — it works on everything.
Style: Confident, drive-oriented surfing. Rail-to-rail with push out of turns.

If you want something different:

Want more projection: Try Mandala Twin or Stussy Roots Twin — trade some stability for projection and flow.
Want looser: Try Album Twin — drops stability (60) and drive (50), more balanced and free.
Want more performance: Try Tappy Twin — drops stability (50) for more pivot with similar drive (60).
Want more drive: Try Beamish Twin — bumps stability to 80 and maintains drive (70) with a wider base.

Tappy Twin

$110

smokeredkelpivory orange

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Performance Flow Twin

Neutral rake (50), balanced looseness (50), moderate drive (60), good projection (60). Shorter base (4.9"), moderate area (20.15 sq in). A performance twin that leans toward flow and projection — wants to go fast and link turns smoothly.

Measurements: Height: 5.35" | Base: 4.9" | Area: 20.15 sq in

Scores:

Upright → Raked: 50
Loose → Stable: 50
Control → Drive: 60
Responsive → Projection: 60

Best for:

Waves: Small to head high. Clean conditions for the flow character. Fun-size waves.
Surfers: Average weight. Intermediate to advanced. Surfers who blend performance with flow.
Boards: Performance fish, modern twins, boards designed for speed and carving.
Style: Smooth, flowing performance. Speed through turns, projection down the line, with enough pivot for beach breaks.

If you want something different:

Want more stability: Try TA Twin — same rake (50) but jumps stability (70) and drive (70).
Want more drive: Try Stussy Power Twin — adds rake (60) and drive (70) for more power.
Want looser: Try Lovelace Twin — drops stability (40), maintains projection (60), more skatey.
Want more upright: Try Wayne Rich Twin — drops rake to 40, similar projection (60), more pivot ability.

Tyler Warren Modern Keel

$105

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Maximum Drive Keel

The most extreme fin in the lineup. Maximum rake (99), maximum stability (90), maximum drive (90). Massive base (7.46"), largest area (25.64 sq in). This is pure committed speed and flow — the keel taken to its logical conclusion. Not for tight turns.

Measurements: Height: 5.27" | Base: 7.46" | Area: 25.64 sq in

Scores:

Upright → Raked: 99
Loose → Stable: 90
Control → Drive: 90
Responsive → Projection: 40

Best for:

Waves: Any size with open faces. Point breaks are the ideal. Long, clean walls where you want to fly.
Surfers: All sizes. Speed-obsessed surfers. Surfers who want maximum classic fish feel.
Boards: Wide-tailed retro fish. Classic fish shapes. Tyler Warren designs.
Style: Speed, speed, speed. Long drawn-out carves. Trimming. Down-the-line flying. The most committed keel experience.

If you want something different:

Want more pivot: Try Hobie Twin — still very raked (90) and stable (90) but slightly less committed.
Want significantly more pivot: Try Danny Hess Noriega Keel — drops to raked (80), less stable (70), allows tighter turns.
Want keel with release: Try Mackie Sidecut Keel — raked (90) with good stability (80) but the sidecut template allows some tail release.
Want something completely different: Try Lovelace Twin — the polar opposite. Loose (40), moderate projection, skatey and free.

Valaric Libra Twin

Libra Twin - Futures Compatible (Solid Fiberglass)

$110

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Upright Stability Twin

Unique combination: upright (40) but very stable (70), drive-oriented (70), and responsive (30). Tall (5.5") with moderate base (5.33") and moderate area (20.19 sq in). Gets its stability from height rather than base width — deep hold without the wide-base drag of a keel.

Measurements: Height: 5.5" | Base: 5.33" | Area: 20.19 sq in

Scores:

Upright → Raked: 40
Loose → Stable: 70
Control → Drive: 70
Responsive → Projection: 30

Best for:

Waves: Chest to overhead. Waves with power where you need hold. Steeper faces.
Surfers: Average to heavier surfers. Surfers who want hold and drive without keel characteristics.
Boards: Performance fish, modern twins, boards where you want upright pivot with stability.
Style: Powerful upright surfing. Quick pivot turns with confidence that the tail will hold.

If you want something different:

Want more projection: Try TA Twin — same stability (70) and drive (70) but neutral rake (50) with more projection (50).
Want looser: Try TA High Pro Twin — same upright feel (40) but drops to balanced 50 across the board.
Want more raked: Try Danny Hess Noriega Keel — steps up to raked (80) with similar stability (70) and drive (70).
Want similar but different template: Try Lovelace FM Twin — same upright zone (30) with even more stability (80) and drive (70).

Wayne Rich Nightmare Twin

Wayne Rich Nightmare Keels - Futures Compatible (Solid Fiberglass)

$110

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Hatchet Keel

Very raked (90), very stable (90), high drive (80), very responsive (20). Large area (25.81 sq in — the biggest), wide base (6.0"), shorter height (4.88"). The swept-back hatchet profile generates massive drive. Concave inner foil adds lift and reduces drag. A keel designed for power and speed.

Measurements: Height: 4.88" | Base: 6.0" | Area: 25.81 sq in

Scores:

Upright → Raked: 90
Loose → Stable: 90
Control → Drive: 80
Responsive → Projection: 20

Best for:

Waves: Any size, especially overhead+. Point breaks, powerful beach breaks, long walls.
Surfers: Heavier surfers. Power surfers. Surfers who want maximum fish speed with authority.
Boards: Wide-tailed retro fish, Wayne Rich designs, classic fish shapes.
Style: Committed speed and power. Long arcs, deep carves, authority through turns. The concave foil adds some release other keels don't have.

If you want something different:

Want more drive: Try Tyler Warren Modern Keel — the only fin with more drive (90) and an even more raked template (99).
Want more maneuverability: Try Danny Hess Noriega Keel — drops to raked (80) with less stability (70), allows more pivot.
Want keel speed with release: Try Mackie Sidecut Keel — similar rake (90) and stability (80) but the sidecut template sheds area for more release.
Want different approach entirely: Try Furrow Twin — upright, loose, responsive. The opposite of everything this fin does.

Wayne Rich Twin

$110

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Upright Projection Twin

Upright (40), balanced looseness (50), moderate drive (60), good projection (60). Tall (5.48") with moderate base (5.13") and moderate area (20.08 sq in). The non-keel Wayne Rich — an upright twin designed for speed and projection without keel commitment.

Measurements: Height: 5.48" | Base: 5.13" | Area: 20.08 sq in

Scores:

Upright → Raked: 40
Loose → Stable: 50
Control → Drive: 60
Responsive → Projection: 60

Best for:

Waves: Small to head high. Beach breaks and point breaks. Fun-size to moderate conditions.
Surfers: Average weight. Intermediate to advanced. Surfers who want upright pivot with flowing speed.
Boards: Performance fish, Wayne Rich designs, modern twins.
Style: Quick pivot turns that carry speed. Projection out of snaps. Upright maneuverability with flow.

If you want something different:

Want more stability: Try Valaric Libra Twin — same rake (40) but jumps stability (70) and drive (70).
Want more upright: Try Furrow Twin — drops to very upright (30) with less area for maximum pivot.
Want more drive: Try Stussy Power Twin — adds rake (60) and drive (70) for more power turning.
Want more loose: Try Lovelace Twin — drops stability to 40, maintains projection (60), adds skatey character.