Measurements are approximate and taken while laying flat across the front. Not doubled.
small: bust = 15.5"; waist = "; length = 36.5"
medium: bust = 16.5"; waist = "; length = 36.5"
large: bust = 17.5"; length = 36.5"
x-large: bust = 18.5"; length = 36.5"
xx-large: bust = 19.5"; length = 36.5"