• Territory Ahead Mens Short Sleeve XL or 2XL or 3XL? -  *Please Read* Big & Tall 
• The tag in this shirt says XL, but I wear an XL or a 2XL and it's big on me.  
• I think it might even be a 3XL, but be your own judge and check the measurements.
• 29 inches armpit to pit.  36 inches from top of collar to bottom of shirt.