F6 Alpha 5-Fin (M)Futures F6 Alpha 5 Fin (Medium) The F6 Alpha 5 fin is a medium sized set in the Neutral template category. Made in Huntington Beach, the Alpha product line combines Bureos NetPlus recycled fishing nets with Futures Compound 6 carbon and air infused technology, offering stability and control at top speed. The rear fins are QD2 4. 0 with Symmetrical foil. The 5 fin set is designed to be ridden as either a Thruster or Quad set up, packaged together for