Measurements are approximate and taken while laying flat across the front. Not doubled.
x-small: bust = 17"; waist = 13"; length = 54"
small: bust = 18"; waist = 14"; length = 54"
medium: bust = 19"; waist = 15"; length = 55"
large: bust = 20"; waist = 16"; length = 55"
xx-large: bust = 22"; waist = 19"; length = 55"
xxx-large: bust = 24"; waist = 21"; length = 55"