FCS FK-1 PC Fish Twin Keel Fins - Red Bag Contoured Coffin Wall: matches surfboard

Contoured Coffin Wall: matches surfboard rocker and adds additional strength

Elongated template with high degree of sweep provides exceptional hold off the bottom and when carving on the open face

Foil: Symmertrical

Versatile RTM construction delivers a consistent feel similar to a traditional fiberglass fin

FCS FK-1 PC Fish Twin Keel Fins - Red Bag Contoured Coffin Wall: matches surfboard3 Tab design for retro boards Size: Large (Any size surfer) Performance Core The new ultra light 3D Core mimics the foil and geometry of the fin. This construction adds strength while minimising the use of weight sensitive materials, making this the lightest fin in the FCS range, and the first of its kind on the market.