Measurements are approximate and taken while laying flat across the front. Not doubled.
small: bust = 20.5"; length = 24"
medium: bust = 21.5"; length = 25"
large: bust = 22.5"; length = 26"
x-large: bust = 22.5"; length = 26.5"
2x-large: bust = 24.5"; length = 27"
3x-large: bust = 26.5"; length = 28“
