This Gildan tee works great as an undershirt or on its own for a simple look.
men casual round neck short sleeve men black T-shirt size M/L/XL
A nice detail is the reinforced neckband, which men appreciate for daily wear.
Off Wht Do Not Cross Temperature Black T-Shirt Regular Fit S/M/L/XL T41
An unbranded shirt like this one is a must when you want simplicity.
Inktastic Pop Pop Worlds Greatest T-Shirt Mens Adult Clothing Apparel Tees
A nice touch is the ribbed collar that stays white and doesn’t stretch out.
Supreme Blank Long Sleeve Tee
You will see it’s a men’s cut, so the waist isn’t pinched or tapered too much.