Measurements are approximate and taken while laying flat across the front. Not doubled.
small: bust = 18"; waist = 22"; length = 38"
medium: bust = 19"; waist = 22"; length = 38.5"
large: bust = 20"; waist = 22.5"; length = 39"
x-large: bust = 21"; waist = 24"; length = 40"
1x-large: bust = 23"; waist = 25"; length = 41"
2x-large: bust = 24.5"; waist = 26"; length = 41.5"
3x-large: bust = 26"; waist = 27"; length = 42"
