Ergonomic Design for Stable Supporting --- Our side stabilizers are anti-overturned memory springs which are more stable and more safe when you are walking with the knee brace. Two of the side supports effectively disperse pressure, providing great stability for your joint. Soft Gel Pad Protects Your Kneecap --- Patella cushion is anatomically contoured, fitting tightly to your kneecap and helping stabilize your knee. 3D Woven Technology for Comfort Compression --- With three-dimensional structure of woven and high-precision knitting & cutting technology, our knee sleeves have comfort flexibility. Comfortable to wear and provides better compression for your knee. Breathable and lightweight. Stay in Place with Silicone Grips --- Besides elastic fiber, built-in silicone grips help the knee brace stay in place well, that you don't have to adjust or pull it up all the time. Warm Tips --- (1) Check the size chart before purchasing! (2) Single knee brace in the package. (3) Don't wear it for more than 5 hours each time. (4) Don't use if you are allergic or sensitive to natural rubber latex or silicone.