When trying to decide between two sizes, choose the larger size for a better fit.

GUYS TSHIRTS
SizeĀ  Sleeve Opening Chest (Inches)
Extra Small 6.25
Small 7.25
Medium 7 3/4
Large 8 1/4
Extra LargeĀ  8 3/4
2X Large 9 1/4
3X Large 9.75