The Dakine Kaimana Pro Comp Leash is the ultimate fusion of strength, comfort, and ingenuity, delivering the freedom of a leash-less feel. With new and improved quality & technology, the Kaimana will be the strongest leash the world has ever seen and you won't even realize its still on! Constructed of the highest quality 3/16th-inch (4.7mm) urethane Dura-Cord for maximum strength to keep you connected to your board in even the strongest surf.