Protect your back and reduce the risk of injury while lifting by supporting your lower back. The brace also works as a compression belt to reduce strain after a back injury or after over-exerting yourself during sports or exercise. Double pull system with 4 flexible stays helps create targeted compression and proper alignment and support Removable, adjustable shoulder straps create a comfortable, custom fit. Use the brace with or without them. Made of 9 inch elastic with 3 inch tension pull straps with hook and loop adjustment Fits 28 to 40 inch waists