Men's Shirts Size Chart
US Men's Size	Tradtional Fit Length (in)	Traditional Fit Chest (in)	Traditional Fit Across Shoulders (in)	Modern Fit Length (in)	Modern Fit Chest (in)	Modern Fit Across Shoulders (in)
S	28 in	40 in	19 in	28 in	38 in	17 in
M	29 in	44 in	20 in	29 in	42 in	18 in
L	30 in	48 in	21 in	30 in	46 in	19 in
XL	31 in	52 in	22 in	31 in	50 in	20 in
XXL	32 in	56 in	23 in	32 in	54 in	21 in
3XL	33 in	60 in	24 in
4XL	34 in	64 in	25 in
LT	32 in	48 in	21 in
XLT	33 in	52 in	22 in
XXLT	34 in	56 in	23 in

How To Measure

With arms relaxed at sides, measure around the fullest part of the chest/bust.

Measure around the natural waistline, smallest part of waist.

With arm slightly bent, start from the center back of neck and measure across the shoulder down to the elbow, continuing down to the wrist.

Measure around the base/thickest part of the neck.

Variations