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. FCS brandingKey pocketMachine stainless steel swivelsSmooth rotating nylon cuff and rail saver swivel assemblyInterchangeable strapSuitable for 0-4ft waves6ft in length5.5 mm thick cordQuick release pull tag Size: one size.