Designed for an optimal mix of speed and maneuverability for flowing between turns, the FCS Performer Neo Glass Surfboard Fins provide reliable, all around performance for a wide range of surf conditions and breaks. Made of FCS's Neo Glass Material, the Performer Neo Glass Fins are lightweight, stiff, and highly responsive. Inside Foil Technology ideally balances drive, pivot, and hold for surfing everything from beach to point breaks. Note, these fins are only compatible with the FCS II Fin System. Pair them with the FCS II Neo Quad Rear fins not included for quad and quadtri set ups.