FIN MATERIAL PERFORMANCE CORE. FIN SIZE MEDIUM (65 - 80Kg / 145 - 175 Lbs). FIN SPECS Base: 4.35" / 110mm, Depth: 4.50"/ 114mm, Area: 14.62"^2 / 9434mm^2, Sweep: 35.9 degrees, Foil: Flat. Mick's fin has a dynamic flex pattern offering bursts of speed. I
The FCS system (Fin Control System) was designed by Brian A. Whitty in Elanora, Australia, and patented on November 7, 1995. It can be recognized by the 2 tabs on the fins which are designed to fit into a securing plug that attaches the fin to the board.