I ordered size XL, but the shirt fits me medium to large. The size is small. In addition, the material is very thin and cheap. Not designed for American tastes. Not worth buying again.
Gildan Performance Men's π Clothing and Shirts with Moisture-Wicking Polyester
44 Review
Men'S Long Sleeve Polo Shirt - Slim Fit, Stretchy, Breathable Collar
43 Review
INFLATION Bamboo Shirts Sleeve Elastic Men's Clothing in Shirts
45 Review
Van Heusen Traveler Stretch Men's Shirt
47 Review