Futures Fins - AM2 Techflex Thruster Thruster fin set (3-Fin) Recommended for Large Size Surfers - 180lbs+ (80kg+) Futures Ride Number rating of 3.0 - Speed Controlling Solid and engaged, holding you in the face of the wave Area Specs - Side Fins: 15.98sq in - Center Fin: 15.32sq in