The Dakine Longboard Calf leash is made of maximum strength 1/4 inch urethane Dura-cord with a low-profile 1.5 inch molded neoprene cuff to comfortably keep your leash positioned on your calf and out of your way. It also includes durable Opti-Flex leash ends with responsive marine-grade swivels to keep your leash securely moving with you. Surf with quality and durability in mind with the Dakine Longboard Calf Surf Leash. A design that has been refined since its debut in 1979, this surf leash has a 1.5-inch molded neoprene cuff to comfortably keep your leash positioned on your calf and out of the way. With durable Opti-Flex leash ends and responsive marine-grade swivels, this calf surf leash moves with you at all times.