Futures Quad Rear 3.75 Alpha Surfboard Fins

Futures Quad Rear 3.75 Alpha is a performance fin designed for small sized riders. Alpha fins are constructed with an exclusive material which is carbon and air infused, and lighter than honeycomb. They are fall in to the balanced fins category, making them a great all round fin, because they provide plenty of spring to make it around sections while still maintaining some predictability and hold.
Symmetrical foil rear fins on quads give a flowing consistent feeling that is expected in all conditions and is enhanced on quads when the rear fins are placed closely together.

Each set of futures fins comes with a size rating, and each rating has a suggested rider weight range so that you can easily figure out if a fin set is going to work for you.
This set of fins is rated: Small - Designed for a rider 105lbs - 155lbs