F4 Alpha Tri Fins front traction "Mark allowed me the honor

"Mark allowed me the honor of tweaking his iconic #SuperTwin model to create a modern

With a large sweet spot and a variety of fin options available

Buy the FCS Ratchet Toll today and you'll have a friend for life

Simple and strong

this fin takes a big boy to push it around

F4 Alpha Tri Fins front traction "Mark allowed me the honorThe F4 Alpha Thruster set by Futures Fins is a small sized, balanced fin with a neutral amount of flex and a neutral template. The perfect entry level fin to progress your surfing 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. All Alpha