So Sydney Sparkle Running Costume Skirt Race Tutu, Costume, Princess, Ballet, Dress-Up, 5K 3 Layers - Lightweight semi-sheer sequin fabric overlay with satin skirt layer beneath. Bottom layer is tulle. Skirt is meant to rest on hips and be wore over your favorite pair of running capris, shorts or leggings. SUPER stretchy non-roll waist band. Can fit at waist or 1-2 inches below. Hand wash, lay flat to dry. So Sydney (TM) Brand. WAIST: Size M streches from 16-30 inches. Best for kids ages 3-8 depending on child's size. WAIST: Size L streches from 20-36 inches. Best for larger kids, teens, and adults to size 10. PLEASE measure hips to determine fit. WAIST: Size XL stretches from 28-44 inches.Best for adults size 12+. PLEASE measure hips to determine fit.