Standing for long time work, you can make it easier to carry and the legs when you walk in to support. "X" shape and structure to adopt your 腓腹筋 supports the acts of the movement of the legs, more smooth. In addition to the easy to walk their 腓腹筋 to constrain your umbrella in and less tired. Additionally, the upper and lower anchor a moderate tightening and support may be up, to prevent fall. Country of Origin: Japan Material: Nylon, polyurethane product size: Calf Circumference: 32 ~/~ 37 cm Specifications: Machine washable Pack of 1 feet (2 Pack)