Rigid side supports with X-PIVOT™ hinge for a smoother, more natural bending motion Open patella with extra cushioning to help hold the knee in its position Breathable material, open behind the knee for added venting and to reduce bunching Adjustable upper and lower straps to help prevent movement of brace Copper Infused to reduce odors Versatile left or right leg use Easy on/off, wrap-around design Anatomical, enhanced fit FSA/HSA Eligible