Measurements are approximate and taken while laying flat across the front. Not doubled.
small: bust = 21"; length = 29"
medium: bust = 22"; length = 30"
large: bust = 23"; length = 31"
x-large: bust = 25"; length = 33"
xx-large: bust = 26": length = 34"
xxx-large: bust = 27"; length = 35"