Strauss Adjustable Knee Support, Free Size (Black) and Wrist Support, Free Size (Black) Overstitched edge for secure fastening Helps relieve muscle aches, strain and sprain Open patella (kneecap opening) for proper flexion of the knee joint Strap closure enables quick and precise positioning Stretch fabric offers compression with snug fit Flexibility and comfort against sprains Suitable For: Fitness, Tennis, Skating, Hiking.