It a great fit, read this review and you won't be mislead. Buy the size of your t shirt you wear. If you have big upper chest get your size. For example I wear XXL and that what I bought, fits perfectly. Worth the money.
Calvin Klein π Herringbone Sleeve Men's Dress Clothing
50 Review
Gildan Performance Men's π Clothing and Shirts with Moisture-Wicking Polyester
44 Review
INFLATION Bamboo Shirts Sleeve Elastic Men's Clothing in Shirts
45 Review
Men'S Regular Fit Short-Sleeve Dress Shirts By Allsense - Look Stylish And Professional!
41 Review