You will find that a solid T-shirt like this one is a wardrobe workhorse.
Anvil Goalie Monkey Hockey Graphic T-Shirt Mens Large Light Blue Short Sleeve
A nice detail is the regular fit’s sleeves, which end at a flattering point on your arm.
District Made Men’s Perfect Weight Military Camo S/S Crew Tee, Size S-3X
What I like about this regular fit is that it doesn’t look boxy or oversized.
Howitzer Style Men’s T-Shirt FREEDOM HUNT Military Grunt MFG
You will find that the gray color adds a sense of calm simplicity.
Xtreme Couture Affliction Men’s T-Shirt MOMENTUM SHIFT Biker S-5XL $40
You will find the length works well for men who want to wear it untucked.