Phase Five 3D Speed Base 3.4 Twin Fin Set Color:Yellow • 65% polyester/35% viscose

• 65% polyester/35% viscose

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The thermoplastic urethane roll-top closure seals easily and provides reliable waterproof performance

Featuring a raised kick tail and arch support and made from high quality EVA

Phase Five 3D Speed Base 3.4 Twin Fin Set Color:Yellow • 65% polyester/35% viscoseUpgrade your ride with the unique curvy design of the 3D Speed Base Fin. Allowing you to have a wider base which creates more drive and speed. Featuring dimple technology allowing water to flows without sticking to the fin increasing overall speed and performance. Compatible with classic FCS fin boxes. Height 3. 4" (86 mm) Base 3. 7" (94 mm) In depth look at 3D Fin technology