Pro-Lite Surfboard Leash-Freesurf Series Super Lightweight extra tough urethane with a 7mm thick cord for increased strength. Designed for medium to overhead surf. Finished neoprene ankle cuff for maximum comfort. Custom Pro-Lite mold with super flexible ends to reduce pull. Recessed horn to further reduce pull, detachable rail saver and key pocket. Stainless steel double swivel.