Find the best from the leading fin brands such as FCS, Futures and Captain Fin. Exclusive collaborations and limited editions from Channel Islands, Christenson, Pukas, Fantastic Acid and Deflow's fresh range of hardware. The Sweep (rake), Base Length, Foil, Flex, Height and Cant (tilt of the fin in degrees) are important measurements of every surfboard fin, and should be considered when choosing your next surf fins.