Volleyball Player Yuji Nishida's Favorite Brand: ZAMST Ankle Support A Series - Applying Taping Theory, Combining Stability and Flexibility, Highly Breathable, Prevents Sweating, for Adults, Children, Basketball, Volleyball, Tennis, Soccer, and Daily Life. [For Preventing Inversion of the Ankle] Short type prioritizing ease of movement. Provides natural movement and a sense of security for the entire ankle. [Fixed with Straps in Two Directions] Fixed with an inversion restriction strap and a stirrup strap, applying taping theory. [Stays that Conform to the Shape of the Foot for Accurate Fit] Stays that conform to the shape of the foot for an accurate fit. [Thin, Breathable, and Comfortable to Wear] Uses materials with excellent breathability and anti-odor function. Materials: Nylon, Polyester, Polyurethane, Natural Rubber (including latex), Polyethylene ZAMST A1 Short Used approximately 10 times, worn for about 1 hour each time. No particular problems with the Velcro or other rubber deterioration.