Measurements are approximate and taken while laying flat across the front. Not doubled.
x-small: bust = 15.5"; waist = 13.5"; length = 52"
small: bust = 16.5"; waist = 14.5"; length = 52.5"
medium: bust = 17.5"; waist = 15.5"; length = 53"
large: bust = 19"; waist = 17"; length = 54"
x-large: bust = 21"; waist = 19"; length = 55"
xx-large: bust = 22"; waist = 20"; length = 55"