Measurements are approximate and taken while laying flat across the front. Not doubled.
x-small: bust = 18"; waist = 10.5"; length = 43"
small: bust = 19"; waist = 11.5"; length = 43.5"
medium: bust = 20"; waist = 13"; length = 44"
large: bust = 21"; waist = 14"; length = 44.5"
x-large: bust = 22"; waist = 15"; length = 45"
xx-large: bust = 23"; waist = 16"; length = 45"
xxx-large: bust = 24"; waist = 17.5"; length = 45"
