Spring knee support technology:An anatomically contoured patella gel pads surrounds the kneecap, double-sided metal spring stabilizers fit tightly with your knee joint. These special functional element strengthen side support and maintains joint stability. It effectively disperses pressure, keeping your knee warm, lubricating your joints. BEST CHOICE for sports protection and pain recovery. UPGRADED DESIGN--- Overcome the defects of similar products. Medical-grade knee braces with no allergies and itchiness. Metal spring stabilizers and patella gel pads won't fall off easily during using. Non-slip silicone strips and high-elastic fabric to avoid up and down sliding and tumbling during exercise. INNOVATIVE TECHNOLOGY--- Three-dimensional structure of woven, High-precision 3D cutting technology of knitting. Ergonomic:360perfectly fit your kneecap curve. With high-elastic tight and breathable compression fabric to reduce the pressure and pain of knee. COMFORTABLE EXPENIENCE--- The air knit fabric can instantly absorb and evaporate large amounts of water, circular breathing. breathable, fast-dry and absorbing sweat, lightweight. Thicker than other knee protectors to provide extra reinforcement without sacrificing comfort ,so you can wear them all day long MULTIFUNCTION--- Medical-grade knee sleeves for meniscus tear,arthritis,ACL,joint pain relief,sports injury recovery. Widely used in many sports such as weightlifting,basketball,running,jogging,volleyball,CrossFit,gym,tennis,hiking and moreUniversal for men and women, Please refer to our size chart to selection.