Ergodyne ProFlex 2000SF Black High Performance Back Support with patented sticky Fingers stays deliver firm is made of 840D Spandex body material for breathability and consistent stretch. Special V-shaped design back support has adjustable two-stage closure to help remind wearers to lift properly and detachable elastic suspenders for easy adjustment. It offers continuous lower back, abdominal support and have greater gripping properties than industry-standard rubber tracked tape. Economic back support has stretchable bias binding with zig-zag stitching for comfort. Innovative power panel positioners? keeps elastic bands close to sides for ease of use. It is machine washable and finds application in material handling, construction, warehousing/distribution, maintenance, freight/baggage, assembly/fabrication, landscaping/grounds and sherpa porters.