[Patellar knee brace]: Soft, durable, shock-absorbing and anti-collision, it can effectively support the patella and relieve knee pain [High-quality fabric]: OK cloth composite neoprene material, lightweight, elastic, design of ventilation holes at the back of the knee, movement more freely OK cloth composite diving materialMachine WashFastening: Hook and Loop[Anti-collision design]: The front of the knee is specially equipped with a foam block to better reduce the impact caused by sports collisions [Dual Adjustable Knee Pads]: Two velcro design, easy to adjust the tightness of the knee pads, help to reduce knee pressure or relieve pain [Suitable]: Activities that cause greater stress on joints, such as skiing, cycling, baseball, basketball, football, golf, gym, hiking, running, tennis