Material: Made from nylon, providing durability and comfort Lightweight and Breathable: Designed to allow air circulation, keeping the feet cool and dry during intense activities Ankle Protection: Helps to prevent sprains and twists by providing support to the ankle area Snug Fit: Closely wraps around the foot for a secure feel, with added elasticity for compression and support Sweat-resistant: Features a sweat-resistant material to reduce moisture buildup and increase wear resistance Size: Size Upper Opening (cm) Lower Opening (cm) Upper Sleeve Length (cm) Bottom Length (cm) S: 35-38 8 7.5 8 8 M: 38-40 8.5 8 8 8.5 L: 40-42 9 8.5 8.5 9.5 XL: 42-44 10 9 9 10.5 Warm Tips: This product should not be placed with items that have hooks, as it may cause damage to the product's surface. When storing and using this product, the environmental temperature must be kept below 150℃ to prevent the product surface from charring and losing elasticity. The washing temperature should not exceed 30℃. Apart from being used for sports protection and assistive rehabilitation, this product should not be used for other purposes.