Futures Fins - Stretch Honeycomb Quad Quad fin set (4-Fin) Recommended for Medium Size Surfers - 145lbs to 195lbs (65kg to 88kg) Futures Ride Number rating of 7.2 - Speed Generating For springy fluid and responsive surfing Area Specs - Front Fins: 14.52sq in - Quad Rear Fins: 12.39sq in