Measurements are approximate and taken while laying flat across the front. Not doubled.
x-small: bust = 13.5"; length = 37"
small: bust = 14.5"; length = 37.5"
medium: bust = 15.5"; length = 38"
large: bust = 16.5"; length = 38.5"
x-large: bust = 17.5"; length = 39"
xx-large: bust = 18.5"; length = 40"