The McDavid NRG Spring Hinge Knee Over Wrap is best for moderate to major joint instabilities, recovery from sprains and strains, reducing fatigue, and post-surgical joint protection and rehabilitation. Spring Hinge Joint Assist technology helps relieve tension and stress on muscles and knee joint, reducing stress on knees up to 25%*. NRG helps reduce fatigue during activity, aiding in knee recovery. Easy-on design can be worn over pants, customizable compression level helps you find optimal support and comfort. *Based on wearing one NRG brace per knee (equivalent up to 12.5% per knee). - HELPS RELIEVE TENSION AND STRESS ON MUSCLES AND KNEE JOINT: Bi-lateral spring hinges offload stress from muscles and knee joint to speed injury recovery and reduce fatigue during activity, while providing lateral and medial support - REDUCES FATIGUE DURING ACTIVITY: Reduces stress on knees up to 25%* *Based on wearing one NRG brace per knee (equivalent up to 12.5% per knee) - EASY-ON DESIGN CAN BE WORN OVER PANTS: Easy, simple, quick-on design, even goes over pants - CUSTOMIZABLE COMPRESSION LEVEL: Customize compression level and fit preference with versatile over wrap system -LIGHTWEIGHT: Spring hinge is 60% lighter than traditional metal hinge** **Compared to Hinge in McDavid 429 Knee Brace with Polycentric Hinges - IDEAL FOR ANY SPORT, ACTIVITY: Perfect for walking, running, hiking, soccer, biking, basketball, football, baseball, volleyball and more - FITS LEFT OR RIGHT KNEE - UNISEX - CONTENT: 48% SBR, 12% CR, 12% POM, 11% Nylon, 11% Polyester, 6% PU – NOT made with natural rubber latex - PATENT PENDING