Measurements are approximate and taken while laying flat across the front. Not doubled.
x-small: bust = 17"; waist = 12.5"; length = 53.5"
small: bust = 18"; waist = 13.5"; length = 54"
medium: bust = 19"; waist = 14.5"; length = 54"
large: bust = 20"; waist = 15.5"; length = 54.5"
x-large: bust = 21"; waist = 16.5"; length = 55"
xx-large: bust = 22"; waist = 17.5"; length = 55.5"