If you are satisfied with our products, please give us five-star rating. Welcome to our store. I hope you have a wonderful shopping experience. Thanks! Specifications: There are three sizes for you to choose: M, L, XL. It is suitable for a variety of sports, such as cycling, fitness, basketball, football, and running. Characterized by lightweight mesh fabric, this knee brace is moisture-wicking, breathable, fit perfectly and comfortable to wear. It is made of high-quality nylon , spandex , latex wire , spring material. Curved shaped spring support strips are configured on both sides, and the sports knee pads provide supporting force when the knee joint moves and bends. Item Name: Knee Pad Features: Wide Application, Non-slip, Elastic Size Details: Size: M, Suitable Calf Circumference: 33cm-41cm/13"-16.1", Recommended Weight: 40-55Kg (Approx.) Size: L, Suitable Calf Circumference: 37cm-45cm/14.6"-17.7", Recommended Weight: 55-65Kg (Approx.) Size: XL, Suitable Calf Circumference: 41cm-49cm/16.1"-19.3", Recommended Weight: 65-75Kg (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Knee Pad