A nice touch is the unbranded neckline, which stays out of the way.
Victorious Men’s Hipster Solid Color Long Length Curved Hem T-Shirt TS270-K21A
A nice detail is the tagless collar, which men often prefer for comfort.
Men Heavy Weight Plain Thermal Long Sleeve New Waffle Shirts Solid Colors
This is a men’s tee with a generous cut, perfect for lounging or going out.
Sada T-Shirts 6-Pack Plain Crew Neck T-Shirts for Men Sizes S-6XL
What stands out about this black tee is the way it drapes on the body.
Spyder Swim Men’s Solid T-Shirt Rashguard Quick Dry UPF Lightweight Hybrid S/S
A crew neckline like this keeps the focus on the fabric and print instead.