Surfboard Fins by Futures Fins The F8 Legacy 5-fin is a large sized set in the Neutral template category. The Honeycomb construction gives a balanced feel for all-around performance. The rear fins are large sized with an 80/20 foil. The 5-fin set is designed to be ridden as either a Thruster or Quad set-up, packaged together for more versatility through your quiver. • Large sized set for 75kgs plus • Neutral template category for all around balanced performance • Honeycomb construction gives a balanced feel • 5 fin set can be ridden as either a Thruster or Quad setup for versatility • Ride Number is 5.6 for Thruster and 5.4 for Quad • Side fins have an area of 15.90, height of 4.64, base of 4.47, and flat foil • Center fin has an area of 15.90, height of 4.64, base of 4.47, and symmetrical foil • Rear fins are large sized with an 80/20 foil, area of 12.60, height of 4.15, and base of 4.16