I'm 5'9" 160 lbs. I prefer a snug fit. I ordered a medium and was swimming in the shirt. I returned and ordered the XS and they fit much better and as I prefer and would expect workout clothes to fit.
Van Heusen Traveler Stretch Men's Shirt
47 Review
Gildan Performance Men's 👕 Clothing and Shirts with Moisture-Wicking Polyester
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Calvin Klein 👔 Herringbone Sleeve Men's Dress Clothing
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Men'S Regular Fit Short-Sleeve Dress Shirts By Allsense - Look Stylish And Professional!
41 Review