1.Turnbuckle shoelace, brand new rotating shoelace system, tie shoelance in one scond, quickly put on shoes and take off shoes
2. Waterproof lining, 1680D nylon cloth, waterproof socks inside, soft and comfortable fabric without scraping feet
3. Non-slip sole, patented anti-skid detachable eight-claw movable spike, double anti-skid equal to super grip
