Surftech Bomber SUP Stand Up Paddleboard Leash 9 ft X 1/4 inch maximum strength urethane cord means you won't loose your board. Double swivel means the cord won't get kinked and knotted. Double thermoformed Breathoprene ankle cuff provides the most comfortable ankle attachment available. Patented TechLock leash attachment provides an esy and super secure attachment to your board. Also available in a 9ft length.