For the last 35 years Ocean & earth have been developing superior surfing leashes, constantly innovating as new technology offers new materials. In 2010 the dream of a stronger, more flexible leash became a reality and hit the market - The One Piece Leash. This Leash set new standards for strength, stretch and function. Now the ONE-XT leash raises the bar again. Constructed using a new production technique and a unique new formula in the urethane cord, this leash has superior stretch and memory retention. ONE-XT. Another evolution in the story of the WORLDS STRONGEST LEASH