ObusForme Back Belt Unisex Unisex back belt size Lg/XLg Conforms and supports the lower back, promoting muscle relaxation and proper alignment of the back Increases the flexibility of the stomach and back muscles by keeping them warm Provides intra-abdominal support to help support the spine and take the weight off the lower back Breathable nylon mesh wrap with adjustable hook and front loop closure holds the belt in place Lightweight; sleek, stylish low profile (Wear on top of or under clothing) Designed for industrial and personal usage; any profession and task where proper posture and good body mechanics are essential Ideal for mild low back pain strains or sprains Beneficial when used in conjunction with a rehabilitation program All materials are hypoallergenic.