Measurements are approximate and taken while laying flat across the front. Not doubled.
x-small: bust = 19"; waist = 18"; length = 41"
small: bust = 20"; waist = 20"; length = 42"
medium: bust = 21.5"; waist = 21"; length = 43"
large: bust = 23"; waist = 22.5"; length = 44"
x-large: bust = 23.5"; waist = 23"; length = 44"
xx-large: bust = 24.5"; waist = 24"; length = 44"