Futures Fins F4 Alpha Tri Fin Set

The F4 Alpha is a performance fin made in the USA. They are designed for small sized riders and made with an exclusive composite that is carbon / air infused and lighter than Honeycomb. They fall into the Balanced category on the Ride Number scale making them a great all around choice, because they provide enough spring to make it around sections while still maintaining some predictability and hold.
£60.00 £50.00
Availability: In stock


Small (105lbs - 155lbs) (47kg - 70kg)

Side Fins:

  • Height: 4.37"
  • Base: 4.22"
  • Area: 14.22"
  • Foil: Flat

Center Fin:

  • Height: 4.37"
  • Base: 4.22"
  • Area: 14.22"
  • Foil: Symmetrical
  • Construction:

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.
Generation Series Construction

Flat Foil
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.


Ride Number: 5.5 - Balanced. Find out more about Futures Ride Number Ratings Here

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