Phase Five Carbon 3.7 Twin Fin Set
This twin fin set comes stock with all surf style Phase 5 boards 54” and smaller. The 3.7 surf fins are designed for maximum grip and feel while surfing. Built with carbon fiber and an e-glass honeycomb construction for optimal performance. This fin set includes a total of two 3.7 surf fins. Compatible with classic FCS fin boxes. Includes fin bag and FCS fin key.