New Futures Surf Fea Thruster Pu Glass 1" high 6" wide Thruster fin set (3-Fin) Recommended for Medium Size Surfers - 145lbs to 195lbs (65kg to 88kg) Futures Ride Number rating of 3.6 - Speed Controlling Solid and engaged, holding you in the face of the wave Area Specs - Side Fins and Center Fin: 15.16sq in