Relaxed fit
Recommended sizing up if in between sizes

Size (US)	Chest (in.)	Length (in.)
S	39 1/2	28 1/4
M	42 1/2	29 1/4
L	45 1/2	30 1/2
XL	48 1/2	31 3/4
2XL	53 1/2	32 3/4