NEENCA Copper Ions Infused Technology Real 24% Copper Ions Infused Fiber + 21% Nylon +16% Polyester. Three-dimensional structure of woven, High-precision 3D cutting technology of knitting. With high-elastic tight and breathable compression fabric to 360 perfectly fit your kneecap curve. It will strengthen side support and maintains joint stability, effectively disperses pressure, keeping your knee warm, lubricating your joints. BEST CHOICE for sports protection and pain recovery.BETTER PERFORMANCE Overcome the defects of similar products, Medical-grade copper knee braces with no allergies and itchiness. Non-slip silicone strips and high-elastic copper fabric to avoid sliding and rolling during exercise, It will stay position all day. High copper fiber fabric has the effect of keep your knee warm and reduce stiffness, reducing inflammation and swelling, increase oxygen flow. So it will prevent potential sports injuries without sacrificing your performance!!!TARGETED RELIEF & SUPPORT Research shows that copper fiber material significantly reduce inflammation, swelling, and relieve muscle soreness. This copper knee brace disperse the pressure and improves circulation around your knee area, which will significantly effective reduce the pressure of the knee joint and help the meniscus to recover. Wrap around the patella to enhance the stability of the kneecap and relax tendons, avoid pulling, prevent muscle strain. GREAT for pain relief and recovery.COMFORTABLE EXPERIENCE Neenca got a well balance between compression and comfort, premium ultra-thin copper knee brace will apply even compression to the joint. The air knit fabric can instantly absorb and evaporate large amounts of water, circular breathing. breathable, fast-dry and absorbing sweat, lightweight. As thin and light as a feather, you can wear it under the leggings or pants or sleep with it, you don't even feel it, So you can wear them all day long!!!HONORABLE BRAND & MULTIFUNCTION Innovatively designed from the #1 BEST SELLER of knee brace: NEENCA. NEENCA is a professional outdoor supplies manufacturer, which occupy the first position of medical equipment for so long. Professional 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 more!NEENCA is a professional outdoor supplies manufacturer.