I ordered a small one, XXL turned on. Not much use so hassle with returns - if you're selling clothes then order fit should be a pretty easy check.
Gildan Performance Men's π Clothing and Shirts with Moisture-Wicking Polyester
44 Review
H2H Mens Casual Slim Fit Short Sleeve T-Shirts Cotton Blended Soft Lightweight V-Neck/Crew-Neck
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Men'S Long Sleeve Polo Shirt - Slim Fit, Stretchy, Breathable Collar
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Men'S Regular Fit Short-Sleeve Dress Shirts By Allsense - Look Stylish And Professional!
41 Review