Serious swells call for a serious surfboard leash, the Kainui Big Wave leash offers the security you need in double overhead to triple overhead surf. Constructed of the highest quality 5/16-inch (8mm) urethane Dura-Cord for maximum strength to keep you connected to your board in even the strongest surf. The Kainui is a continuation of Dakine's dedication since 1979 to making and refining surf leashes that protect both surfers and their boards in the most consequential conditions. The Kainui Big Wave surfboard leash is offered in 7ft, 8ft, 9ft and 10ft lengths. DETAILS 2 Year Limited Warranty Double overhead to triple overhead intended use 5/16in (8MM) highest quality urethane Dura-Cord for maximum strength 2in (50MM) moulded neoprene ankle cuff Posi-Lock hook & loop closure Redesigned moulded Opti-Flex leash ends for maximum durability DIMENSIONS 9ft x 5/16in [ 2.74m x 8mm ] 10 'x 5/16 ''or 3.05m x 8mm