Strappy back leotard by DanzNMotion by Danshuz. Style 2456A. Flattering v-back multi strap leotard. Princess seamed front with double shoulder straps. Shelf bra. 95% Cotton 5% Spandex. Measurements laid flat, unstretched: Size Petite Adult Shoulder to crotch = 24 inches. Armpit to armpit = 13 1/2 inches. Waist = 10 inches across. Size Small Adult Shoulder to crotch = 25 1/4 inches. Armpit to armpit = 14 inches. Waist = 10 3/4 inches across. Size Medium Adult Shoulder to crotch = 26 1/4 inches. Armpit to armpit = 14 3/4 inches. Waist = 11 1/2 inches across. Size Large Adult Shoulder to crotch = 28 inches. Armpit to armpit = 15 inches. Waist = 11 3/4 inches across. Size X-Large Adult Shoulder to crotch = 29 inches. Armpit to armpit = 15 1/4 inches. Waist = 12 1/4 inches across. Fitting tip: Find a similar item that fits well and compare measurements to those above