These girls skirts are made with soft and comfortable stretch spandex fabric that is great for sports and playing in or wearing as loungewear. Waist stretches 2-3” more. Leggings are attached underneath skirt. Made with premium quality fabric. 6X: 21” waist, 18.5” skirt length 7/8: 22” waist, 20” skirt length 10/12: 24” waist, 23” skirt length 14/16: 25” waist, 24” skirt length 18: (Ladies XS equivalent) 26” waist, 25” length