F2 Alpha Thruster X-Small Size:X-Small this sweeping longboard fin has

this sweeping longboard fin has a wide base that delivers plenty of drive with a slim and flexy tip

A stowable flap offers added neck coverage for long days on the water

Diamond Loc II - Traction Pattern

Don't Forget to grab a Fin

The new ultra-light 3D Core mimics the foil and geometry of the fin

F2 Alpha Thruster X-Small Size:X-Small this sweeping longboard fin hasThe F4 Alpha is a small size Balanced fin with a Ride Number of 5. 5. Alpha's C6 composite material is carbon and air infused making it lighter than Honeycomb. The responsive flex characteristics of C6 combine with the neutral F Series template to create one of the most exciting new products on the market.