Copper Ion Fiber/Nylon/Polyester/Latex/Spandex | | [Compression Protection] To Better Fit The Knee Compression Sleeves To The Curve Of The Knee, We Use 3D Compression Technology To Achieve Full Protection Of The Knee, Help Stabilize The Patella, Reduce The Wear And Tear Of The Patella During Activity, Cushion And Reduce Pressure, Protect The Knee Joint From Injury. | | [Copper Nylon] 60% Copper Ion Fiber + 21% Nylon + 16% Polyester. Copper Ion Helps To Promote Blood Circulation And Relieve Pain And Swelling, Uses The Latest Weaving Technology To Weave Copper Ion Fiber Into Knee Sleeves To Help Relieve Knee Pain And Also More Breathable And Sweat Absorbent. | | [Non-Slip Grip] : Double-Layer Anti-Slip Strip. You Will Love The Feeling Of Sport With Our Copper Knee Sleeves. But Please Be Sure To Follow Our Size Chart To Measure And Choose Your Size Instead Of Your Habits. Latex / Silicone People Allergic Caution. | | [Professional] Copper Knee Brace For Me.