FCS ll Christenson Keel Performance Glass Twin Fins Manera flat in the center and

flat in the center and going into a subtle winglet towards the wingtip

-Flat Head bit no

The monobloc construction improves stiffness and reduces turbulence by eliminating connections and providing a more streamlined design

Ideal for cold-water surfing on the chilliest days of the year

FCS ll Christenson Keel Performance Glass Twin Fins Manera flat in the center andFCS ll Christenson Keel Performance Glass Twin Fins Designed with plenty of curve in the leading and trailing edge to provide smooth rail to rail transitions. A thicker flat foil provides grip through big turns on open face waves. 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