Futures Fins F4 Alpha Tri Fin Set

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Light as a feather and fast on your board, the Futures F4 Alpha Fins are an all-around performance fin set that balance reaction and reliability. Proudly made in the USA and designed for smaller riders, Futures Alpha Series is made with an exclusive composite that is carbon and air-infused and lighter than honeycomb construction. With an uncanny ability to pop into action when needed, the F4 Alpha Tri Fins are perfect for the surfer wanting to focus on fast-paced maneuvers with a bit of forgiveness on the face.


Alpha fins are made with a special composite designed with the help of 3M. It's carbon and air-infused, and it's super lightweight.


Flat foiled fins break free sooner, and are better at controlling speed. Often surfers prefer them in fast powerful surf where they do not need to create additional speed. If you have muscle memory from riding glass-ons, flat foiled fins will feel the closest.


Symmetrical foiled fins move through the water evenly, simultaneously distributing the force and displacement of the water for predictable balance and control.

Tech Specs


  • Height: 4.37 in
  • Base: 4.22 in
  • Area: 14.22 sq in
  • Foil: Symmetrical


  • Height: 4.37 in
  • Base: 4.22 in
  • Area: 14.22 sq in
  • Foil: Flat


  • Size: Small
  • Fins in set: 3
  • Material: Alpha


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