The DonJoy OA Reaction Web Knee Brace is an extra-small, low-profile osteoarthritis knee brace designed for size measurements of 13 to 15.5 inches (33 to 39 cm) around the knee, featuring a right-medial/left-lateral configuration and innovative silicone web technology. * Patented Silicone Web Technology for shock absorption and Anterior Knee Pain Relief. * Low profile Design offers upto 6-8 degree offloading * Hexagon Design offers perfect offloading with a nonslip cup effect. Design and Features * Silicone Web: Absorbs shock and helps reduce anterior knee pain. * Mild Off-Loading: Shifts weight away from the painful joint area. * Wraparound Fit: Four-way adjustable straps make it easy to put on. * Open Framework: Keeps air flowing and prevents slipping during Uses and Care * Best For: Early to mild unicompartmental osteoarthritis and daily activities or light sports. * Included: Comes with a soft undersleeve to protect the skin. * Cleaning: Hand wash the frame and pads with mild soap, then air dry