1、Breathable: Comprehensive knee protection to prevent sports injuries. The breathable mesh design has a good sweat wicking effect. It is comfortable, breathable, heat dissipation, and more comfortable for sports. 2、Details: Both sides are equipped with fish scale spring strips, which are soft and elastic, provide stable support, reduce knee pressure, and make sports more efficient. The edge adopts the automatic edge closing process, which is glossy, and comfortable for sports protection. 3、Anti Slip: Double silica gel anti slip strips can enhance friction, stabilize high strength joints of patella, and lattice weaving can effectively stabilize patella and reduce displacement. 4、Polyurethane and Nylon: This knee pad sleeve is made of premium polyurethane and nylon material that is comfortable to wear. 5、Application: The knee pad can help release pressure, reduce tension, and stretch freely. It is suitable for running, meniscus tear, arthritis, joint pain relief, and sports. Item Type: Knee Brace Support Material: Polyurethane and nylon Scene Application: Running, ball games, outdoor mountaineering, rope skipping, gymnastics, fitness, yoga M: Length: 31CM/12.2IN, upper port length: 17CM/6.7IN, leg circumference: 43-48CM/16.9-18.9IN, applicable weight: 50-60kg L: Length: 31CM/12.2IN, upper port length: 18CM/7.1IN, leg circumference: 48-53CM/18.9-20.9IN, applicable weight: 60-70kg XL: Length: 31CM/12.2IN, upper port length: 19CM/7.5IN, leg circumference: 53-58CM/20.9-22.8IN, applicable weight: 70-80kg Color: Black 2 x Knee Brace Support