Bi-lateral hinges provide full knee stabilization, stability and compression. 2 Velcro strap above/below the knee joint for additional support and grip. Breathable mesh fabric on back side allows easier knee bending and extra comfort. The Hinged Knee Brace is designed for the support of ligament and meniscus traumatic injury cases such as ACL, PCL, MCL, LCL, meniscus swelling, edema prevention / reduction and for post-surgical application. Hinged Knee Brace, Max Comfort, Medium