Designed to promote proper posture and good body mechanics to help maintain a healthy back * Can be used while lifting pushing pulling walking exercising and repetitive bending or twisting * Size Md/Lg fits waist circum. 33 -40 * The ObusForme Back Belt Unisex design accommodates most physiques * Conforms and supports the lower back promoting muscle relaxation and proper alignment of the back * Built-in ventilated lumbar pad provides additional support to the lumbar area * Breathable nylon mesh wrap with adjustable hook and loop front closure holds the belt in place * Lightweight; Sleek stylish low profile. Wear on top of or under clothing * Designed for industrial and/or personal usage; any profession and task where proper posture and good body mechanics are important * All materials are hypoallergenic * Hand-wash * Unisex design accommodates most physiques *