All FCS leashes are designed to offer superior comfort functionality and dramatically increased strength. Each leash feature innovative design elements and the highest quality materials available. The extensive research and development program at FCS involved rigorous testing to ensure each leash delivers outstanding performance. :: Unisex > Surf Accessories. Interchangeable strapMachine stainless steel swivelsSmooth rotating nylon cuff and rail saver swivel assemblyQuick release pull tagKey pocket5ft in lengthFCS brandingSuitable for 0-4ft waves5.5 mm thick cord Size: one size.