What stands out about this design is the oversized graphic print on the back.
Under Armour Men’s XL Gray Graphic T-Shirt NWT New With Tags
A nice touch is the solid colorway, letting the soft fabric take center stage.
BASS OUTDOOR Black Beauty Utility Shirt Regular Fit Crewneck Lightweight L
The solid design means you can wear it to the gym or out for coffee.
Men’s Merino Ultralight Crew T‑Shirt, Unbound Merino Wool
A nice touch: the solid color makes this shirt a great gift option.
Unbound Merino Shirt Mens XXL Dark Gray Merino Wool Jersey Long Sleeve Crew
You will find that a solid T-shirt like this is a foundational wardrobe item.