Inside Foil Technology consists of a sophisticated hydrodynamic foil with a convex outside face

Ability to adjust your fin position in the box mid surf

How do they work

smoother and more controlled manner

FCS II SINGLE FIN CLEAR Length:8" Inside Foil Technology consists ofOverview Low sweep (rake) allows for tight controlled turns Ideal for performance single fins and bonzer models. Performance Glass Performance Glass (PG) fins are machine cut from layers of solid fiberglass. These fins are stiff, and are widely used by pro level surfers because the integrity of the flex is maintained under immense force, and in the most extreme of conditions and situations. The FCS II Tool Less Longboard System No need for a plate and