Conical shape provides perfectly tailored support hugging the contours of the body. Wide in front and back, it maximizes intro-abdominal support without digging into your sides. Lumbar insert reinforces natural shape of spine. Rugged stainless steel buckle with one-way Velcro® closure for a quick and exact fit. washable. Available 4-3/4" wide or 6" wide for larger, taller individuals. Sizes XS(24-28"), S(27-32"), XL(40-45").