4Pcs Copper Compression Knee Sleeve, Breathable Anti-Slip Knitted Knee Support Brace for Running, Work Out, Gym, Hiking, Athletic Fitness & Exercise

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.