Measurements are approximate and taken while laying flat across the front. Not doubled.
small: waist = 16"; length = 56"; inseam = 28"
medium: waist = 17"; length = 57"; inseam = 28"
large: waist = 18"; length = 58"; inseam = 28"
x-large: waist = 20"; length = 57.5"; inseam = 26"
xx-large: waist = 21.5"; length = 58"; inseam = 26"
xxx-large: waist = 23"; length = 558"; inseam = 26"
