TARGETED RELIEF & 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. Widely used in many sports such as weightlifting, basketball, running, volleyball, gym, tennis, workout, hiking and more! Universal for men and women, suitable for both left and right thighs. Full refund for any reason, please refer to the size chart for selection. COMFORTABLE EXPERIENCE— We got a well balance between compression and comfort, premium copper knee brace will apply even compression for your joint, which will significantly relief knee pain. The air knit fabric can instantly absorb and evaporate lots of sweat, circular breathing. Breathable, fast-dry and lightweight. You can wear it under trousers and sleep with it, thicker than other knee protectors to provide extra reinforcement without sacrificing comfort, so you can wear it all day long!!!. INNOVATIVE TECHNOLOGY— High copper fiber fabric has the effect of keep knee warm and reduce stiffness, reducing inflammation and swelling, increase oxygen flow. This copper knee brace disperse the pressure and improves circulation around your knee area, It will wrap around the patella to enhance the stability of kneecap and relax tendons, avoid pulling, prevent muscle strain. So it will prevent potential sports injuries without sacrificing your performance, PERFECT for pain relief and recovery!!. UPGRADED DESIGN— Overcome the defects of similar products, medical knee braces with no allergies and itchiness. Metal spring stabilizers on both sides and patella gel pad won't fall off easily during using. 3D structure of woven, high-precision knitting cutting technology. Ergonomic: with high-elastic breathable compression fabric to 360° fit tightly with your kneecap curve. Non-slip gel strips and high-elastic copper fabric to avoid slide or roll during exercise, It will stay in place all day!. EXCLUSIVE PATENT— NEENCA Copper Ions Infused Technology: Real 60% Copper Ions Infused Fiber + 21% Nylon +16% Polyester. Spring knee support technology: An anatomically contoured patella gel pad surrounds the kneecap, dual metal spring stabilizers fit tightly with your knee joint. These special functional elements strengthen side support and maintain joint stability. It effectively disperses pressure, keeping knee warm, lubricating your joints. BEST CHOICE for sports protection and pain recovery. [Attention: Most of Cheap Copper Knee Sleeves Are Fraudulent Tricks.] NEENCA Professional Plus Size Copper Knee Brace with Copper Ions Infused Fiber Technology: REAL 60% Copper Ions Infused Fiber + 21% Nylon +16% Polyester. Food and Drug Administration(FDA) Registered. 8 Sizes.