New Futures Surf Fam1 Honeycomb Tri Fin Set Thruster fin set (3-Fin) Recommended for Medium Size Surfers - 145lbs to 195lbs (65kg to 88kg) Futures Ride Number rating of 6.1 - Balanced For all-around balanced surfing Area Specs - Side Fins: 14.84sq in - Center Fin: 13.35sq in