Dakine Kainui 9' x 5/16" Surf Leash A nine-foot surf leash for double to triple overhead conditions Serious swell calls for a serious leash. The Kainui surf leash offers trusted security in double to triple overhead peaks. It's built with stout 5/16-inch (8mm) urethane Dura-Cord to keep you connected to your board in the strongest conditions. Dakine built its reputation on building the strongest surf leash available, and the Kainui continues the tradition. 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 Materials 60% TPU / 15% Polypropylene / 10% Neoprene / 10% Nylon / 5% Stainless Dimensions 9' x 5/16" [ 2.74m x 8mm ]