Knee Braces for Knee Pain Women & Men -2 Pack Knee Sleeves. Size XL. Exclusive Material— NEENCA Bamboo Fiber Infused Technology: 60% Bamboo Fiber Infused Fabric + 21% Lycra Nylon +16% Polyester. Compression Knee Sleeves for Pain Relief and Sports Protection - Anti Slip, Day & Night Wear. Class 1 Medical Device with FDA Approved — Doctor Recommended! ACE-48 NEENCA KNEE SUPPORT TECHNOLOGY—With high-elastic and breathable compression fabric to 360° perfectly fit your knee curve, It will help improve poor circulation & increase oxygen to optimize the natural healing process, helping increase blood circulation, and reduce varicose veins, inflammation for leg or knee pain relief from acute or chronic joint injuries. It will strengthen side support and maintains joint stability, keeping your knee warm, BEST CHOICE for sports protection and pain recovery! BETTER PERFORMANCE— Overcome the defects of similar products, Medical-grade knee braces with no allergies and itchiness. Non-slip silicone strips and high-elastic compression fabric to avoid sliding and rolling during exercise, It will stay position all day. Innovative functional fabrics 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!!!