A nice touch is the solid finish, which resists looking dated over time.
Mens Baseball Jersey MLB Plain T Shirt Team Uniform Solid Button Tee
This tee is made for men, so the color options lean toward classic shades.
Vintage Pluma Shirt Mens XL Blue Heavyweight Cotton Crewneck Solid Blank Tee 90s
A nice touch is the blue drawstring on the hoodie version.
Gildan Mens G500 Heavy Cotton Plain Solid Short Sleeve Casual Blank T-Shirt
With a crew neck, you get a straightforward look that works for daily wear.
ARMY SOLID OD GREEN OLIVE DRAB PLAIN MENS ROTHCO T-SHIRT S M L XL 2X 3X 4X
This one is made for men, so the shoulders and chest have a roomier cut.