Ergodyne - EGO11386 ProFlex 100 Economy Spandex Back Support Brace is designed to remind workers of proper lifting techniques while also enhancing the body's intra-abdominal pressure, moving the stress away from the spine for back pain relief. Rubber track webbing helps keep support in position. Spandex is stretchable for comfort and support. Stays are made of nonconductive polypropylene for long-lasting integrity. Adjustable, detachable suspenders keep brace in place. Machine-washable brace fits waists from 42" to 46".