All-Round Performance – Designed for a balance of speed, flow, and response in all surf conditions; ideal for a wide range of board types. FCS II Tool-Less System – No screws, no tools; quick and easy fin installation/removal for more time in the water. Eco-Conscious Materials – Constructed using Neo Glass Eco resin, made with 50% bio-based content derived from plants, reducing environmental impact without compromising strength. Thruster (Tri) Setup – 3-fin configuration delivers control and stability while still allowing for quick rail-to-rail transitions. Engineered for speed, flow, and responsive control, the FCS II Performer Neo Glass Eco Tri Fin Set in the vibrant Mango colorway delivers exceptional all-round performance across a wide range of conditions. Made with sustainable eco-blend materials, these fins offer an ideal balance of flex and drive, making them perfect for surfers looking for everyday reliability with a conscious environmental footprint. Designed for the FCS II tool-less system, installation and removal is fast and effortless — no screws, no tools, just surf.