Measurements are approximate and taken while laying flat across the front. Not doubled.
small: bust = 20"; waist = 14"; length = 34"
medium: bust = 21"; waist = 15"; length = 34"
large: bust = 22"; waist = 16"; length = 35"
x-large: bust = 24"; waist = 19"; length = 36"
xx-large: bust = 25"; waist = 20"; length = 37"
xxx-large: bust = 26"; waist = 21"; length = 38"