Shirts- S M L XL 2XL 3XL 4XL 5XL

Armpit to Armpit (Inches) 20 21 22.5 24 25.5 27 28.5 30

To Fit Collar Size (Inches) 15 15.5 16.5 17.5 18.5 19.5 20.5 21.5