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. Suitable for 0-4ft wavesSmooth rotating nylon cuff and rail saver swivel assemblyMachine stainless steel swivelsKey pocketFCS branding6ft in lengthInterchangeable strapQuick release pull tag5.5 mm thick cord Size: one size.