Please refer to the size comparison table. I usually wear an XL for US made shirts, so this manufacturer/company version of the shirt in Large fits me perfectly. If you are tall, 5'10/5'11" and taller, the XL size of these shirts will fit you better.
Gildan Performance Men's π Clothing and Shirts with Moisture-Wicking Polyester
44 Review
Van Heusen Traveler Stretch Men's Shirt
47 Review
Men'S Regular Fit Short-Sleeve Dress Shirts By Allsense - Look Stylish And Professional!
41 Review
Men'S Long Sleeve Polo Shirt - Slim Fit, Stretchy, Breathable Collar
43 Review