Size (US) Chest Neck Waist Arm Length
XS 18.5" 16" 20" 7.25"
S 19.5" 16" 20.5" 7.75"
M 20.5" 17.5" 21" 8.25"
L 21.5" 18.5" 21.5" 8.75"
XL 23" 19" 22" 9.25"