Measurements are approximate and taken while laying flat across the front. Not doubled.
x-small: bust = 15.5"; waist = 13"; length = 39"
small: bust = 17.5"; waist = 15"; length = 39.5"
medium: bust = 18.5"; waist = 16"; length = 40"
large: bust = 19"; waist = 16.5"; length = 40"
x-large: bust = 19"; waist = 17.5"; length = 40.5"
xx-large: bust = 21.5"; waist = 19.5"; length = 41.5"