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 *