Mueller Adjustable Knee Support - BlackLightweight support provides firm, comfortable compression and helps you maintain full range of movement for weak, injured, or arthritic knees. Four patented straps allow for adjustable tension for custom fit. Soft neoprene blend retains body heat for soothing warmth to help relieve pain and keeps knee flexible to avoid re-injury. Open Patella helps stabilize kneecap. Contour design minimizes bunching behind the knee and a double layer of padded protection on the knee increases comfort. Fully-trimmed edges with smooth seams prevent chafing.