FCS II JS PC Carbon Thruster FinsSurf progressively in smaller waves Jason Stevenson's 'JS' shaper fin updated for 2023. Great for surfers looking for a fin that'll feel dependable in bigger waves, but still want the ability to release the tail and surf progressively in smaller waves. FEATURES Updated construction More responsive Carbon Tissue + Air Core Lighter and stiffer Same template Speed and Flow New stealth aesthetic Designed to fit the FCS II Fin System Overview All new