This lightweight support provides firm, comfortable compression and maintains full range of movement for weak, injured, or arthritic knees. Four patented straps allow for adjustable tension to provide a custom fit. The soft neoprene blend retains body heat for soothing warmth to help relieve pain and keep your knee flexible to avoid reinjury. Comfortable fit for all-day wear. SIZING: ONE SIZE FITS MOST Measure around the knee Fits sizes