A BURLY BOARD LEASH FOR BIG DAYS When the swell picks up, it's time for the Kainui surf leash. Designed with double overhead to triple overhead surf in mind, the Kainui builds on Dakine's surf leash heritage. This 5/16-inch (8mm) urethane Dura-Cord leash features a beefy 2-inch molded neoprene ankle cuff and a wide 1.5-inch detachable railsaver. The Kainui surf leash is offered in 6-, 7- and 8-foot lengths. Features: Double overhead to triple overhead intended use 5/16 (8MM) highest quality urethane Dura-Cord for maximum strength 2 (50MM) molded neoprene ankle cuff Posi-Lock hook & loop closure Opti-Flex leash ends for maximum durability 100% marine grade stainless steel swivels 1.5 (40MM) detachable railsaver Easy Clip compatible for maximum safety