This t-shirt is perfect for underwear. I love the crew neck that hits the collarbone and is visible on the polo. Most t-shirts slide down and are not visible. I have ordered 3 and will be ordering many more, great fit.
Calvin Klein π Herringbone Sleeve Men's Dress Clothing
50 Review
Men'S Long Sleeve Polo Shirt - Slim Fit, Stretchy, Breathable Collar
43 Review
π Nantersan Placket Raglan Tee - A Casual Must-Have
52 Review
H2H Mens Casual Slim Fit Short Sleeve T-Shirts Cotton Blended Soft Lightweight V-Neck/Crew-Neck
46 Review