Signature grip pad of freesurfer Nick Rozsa; Two piece; Multiple perforations add traction & sensitivity; Diamond III Groove: A more spaced out groove pattern that allows your feet to sink down and lock into the grip; Copperhead Arch: 3-dimensional, tapered, delta-shaped arch. Designed to lock the foot into the back of the pad for hard turning; Increased sensitivity when the foot is forward in a trimming position. High-density foam; Roundhead Wedge: Minimizes interference with water flow around the rails of the tail to reduce drag; Maximizes area for adhesion, increasing strength of kick; Minimizes weight and maintains a moderately high and steep kick for performance surfing; Block Wedge: Steeper, more compact wedge to lock your foot in place. Tapered at the rails to reduce water drag; Industrial grade adhesive is used to ensure the pad stays stuck to your board; :: Unisex > Surf Accessories Size: one size.