FCS II MB PG Split Keel Surf Fins ak offers premium protection with its

offers premium protection with its long sleeves and screen detailing

100% Super stretch Japanese limestone based neoprene - lighter

and a re-engineered covert blackout zip

True T6 heat-treated baseplates and hangers

FCS II MB PG Split Keel Surf Fins ak offers premium protection with itsTech Overview Matt 'Mayhem' Biolos's specialty quad fin set. High area quad keel set adds bite and control to hybrid boards with wide tails, without sacrificing pivoting capabilities. Board Types Designed to fit the FCS II Fin System. Recommended for all board types including modern fish and hybrid models with moderate to low rocker. Performance Glass Performance Glass (PG) fins are machine cut from layers of solid fiberglass. These fins are stiff,