Length
Measured from the high point of the shoulder, next to the collar, down to the bottom of the shirt.
Width
Measured from the side seam under one sleeve to the side seam under the opposite sleeve.
Measurements are in inches, and may vary by up to 2".
Size
Length
Width
S
28
18
M
29
20
L
30
22
XL
31
24
2XL
32
26