Approximate Measurements:
SMALL
Chest-36"
Waist-loose, 38"
Length-30"-33"
MEDIUM
Chest-38"
Waist-loose, 40"
Length-30.5"-33.5"
LARGE
Chest-40"
Waist-loose, 42"
Length-31"-34"
XL
Chest-42"
Waist-loose, 44"
Length-31.5"-34.5"
Get more help with sizing here.