FCS Stand Up Paddle Board Big Wave Ankle Leash 11' partially coiled SUP surfing leash (5/16 inch) Hybrid surfing leash: 1/4 of leash is coiled, 3/4 straight Rail saver on the board attachment point Paddled ankle cuff on the other end, as well as an extended overmold on the ankle attachment point to prevent tangling and keep coil away from your feet Minimizes drag and amount of debris caught on leash and acts as a shock absorber while you surf