I usually wear a small but I prefer loose shirts, I took a big one because I thought it would be huge. In fact, he was like a medium. This is still free, but a little surprised. I'm pretty straight up and down and generally straight, just for reference. If you like shirts that fit you, go for your normal size. Otherwise I would recommend going up a size.
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
Gildan Performance Men's π Clothing and Shirts with Moisture-Wicking Polyester
44 Review
Van Heusen Traveler Stretch Men's Shirt
47 Review
H2H CMTTS267 Athletic Performance T-Shirt for Improved Performance
51 Review
Newzill Compression Calf Sleeves (20-30MmHg) For Men And Women - Ideal Alternative To Compression Socks, Perfect For Running, Shin Splints, Medical Needs, Travel, And Nursing
42 Review
Off White Men's Clothing: Amazon Essentials Lightweight Active Sweatshirt
42 Review
Cimic Black Athletic Short Sleeve T-shirts 520
50 Review