Approximate Measurements:
SMALL
Chest-32"-34"
Waist-26"-28"
Length-27"
MEDIUM
Chest-34"-36"
Waist-28"-30"
Length-27.5"
LARGE
Chest-36"-38"
Waist-30"-32"
Length-28"
1XL
Chest-38"-40"
Waist-32"-34"
Length-28.5"
2XL
Chest-40"-42"
Waist-34"-36"
Length-29"
Get more help with sizing here.