XS = 29" Chest, 31.5" Sleeve Length, 21.5" Center Back Length.
S = 31" Chest, 31.875" Sleeve Length, 26" Center Back Length.
M = 33" Chest, 32.25" Sleeve Length, 26.5" Center Back Length.
L = 35" Chest, 32.625" Sleeve Length, 27" Center Back Length.
XL = 37" Chest, 33" Sleeve Length, 27.5" Center Back Length.