Full length sleeve of 1/8” thick neoprene with nylon lining (N2) provides uniform compression and therapeutic heat. This support features two spiral stays on the lateral and medial sides for additional support. The patella opening eliminates patella pressure. Fits right or left leg, available in beige or black, N2 material only. Please visit our website at http://www.proorthopedic.com/ for the size chart and measuring instructions.