My son wears a small t-shirt, his waist is 29/30, he is 5ft 6" and the shirts fit him the way he likes. They're a little longer than the average t-shirt, but since they fit, that's no problem, he's just like her and fashion-wise he's hard to please.
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
46 Review
Men'S Regular Fit Short-Sleeve Dress Shirts By Allsense - Look Stylish And Professional!
41 Review
Calvin Klein π Herringbone Sleeve Men's Dress Clothing
50 Review