Ribbed web elastic molds around body contours for a comfortable, custom fit. Easy hook and loop fastening. 7” back panel for petite figure covers lower back area for maximum therapeutic benefit. Tapered in front for comfort. Measure around the widest part of the hips. Available Sizes: Small (29-32 inches), Medium (33-36 inches), Large (37-40 inches), and X-Large (41-44 inches).