Sizing Information for Men's Vests - 825* & 828
*Add 2" to center back length for tall sizes 

Description S M L XL 2XL 3XL
Chest Size 36" 40" 44" 47" 50" 54"
Center Back Length 21" 22" 23" 23" 23.5" 23.5"
Shoulder Width 6" 6" 6.5" 7" 7.5" 8"