Protect your knees and get relief from knee pain with the Mueller Adjustable Hinged Knee Brace. This self-adjusting Knee Brace helps protect the knee by providing maximum medial and lateral support. The metal hinges also help protect the knee from hyperextension. Perfect for use during sports and other physical activities. The soft, non-petroleum neoprene blend helps maintain body heat to help relieve pain, support healing and keep your knee flexible It features side hinge pockets that help to ensure the correct position of the hinge for your knee size The padded buttress in this sports knee brace aids in assisting the proper tracking of the kneecap Featuring an easy-to-apply wraparound design for easy on and off, this knee brace is ideal for weak, injured and arthritic knees and it offers maximum comfort Sizing: One Size Fits Most Measure 3" above your knee Fits sizes 13" - 21" The Mueller Adjustable Hinged Knee Brace helps treat and prevent common knee injuries, such as: Postoperative Irritation/Pain Posttraumatic Irritation/Pain Patellar Lateralization Femoral Pain Syndrome Jumper?s Knee/Runner?s Knee Ruptured Posterior Cruciate Ligament (PCL) Ruptured Anterior Cruciate Ligament (ACL) Complex Instabilities Chondromalacia Patella Instability of Varying Degrees (Degenerative)