Measurements are approximate and taken while laying flat across the front. Not doubled.
x-small: bust = 13.5"; waist = 12"; length = 39"
small: bust = 14"; waist = 12.5"; length = 39"
medium: bust = 15.5"; waist = 13"; length = 40"
large: bust = 17"; waist = 14"; length = 41"