Size Chest Body Sleeve
XS 16" 24.5" 7.75"
S 17" 25.5" 8"
M 18" 26.5" 8.25"
L 19" 27.5" 8.5"
XL 20" 28.5" 9"

Chest width measures from one inch below armhole
Body length measures from the highest shoulder point at the neck seam to the bottom edge seam
Sleeve length measures from the shoulder point to the armhole