The Bio-Hip Support stabilizes and supports your hip and thigh muscles so you can move freely without pain and stiffness. Compression sleeve hugs your hip joint and is embedded with Biomechanical Technology to help ease pain. Fully adjustable hook-and-loop closure makes it easy to put on. Fits right or left hip. One size fits most. SBR 50% / Nylon 30% / Polyester 20%.