Surf with eco-friendly style and high performance using the FCS II Performer Neo Glass Medium Mango Tri Fins. Made with 50% glass and bio-resin, these fins offer a perfect balance of speed, flow, and response for agile surfers. Their well-proportioned template and Inside Foil Technology provide reliability and maneuverability in a wide range of conditions. Compatible with all board types, these fins are a must-have for any “All Round” surfer.