A nice touch here is the graphic print that includes a hidden message.
Men’s Striped Gym Tank Top Summer Beach Muscle Sleeveless Shirt Casual Vest S-6X
An unbranded T-shirt like this one is all about comfort and simplicity.
3-PACK PRO 5 MENS A-SHIRTS COTTON UNDER SHIRT WIFE BEATER SM-3X
A nice detail is the double-needle stitching, which men see as a mark of quality.
Gildan Mens A-Shirts 6PK White SM-3XL ( Slightly Imperfect)
You will find that Gildan uses a cotton blend that stays soft through many cycles.
ComfortWash Men’s Blue M Cotton Knit Tank Top Protect & Preserve Hilton Head
The graphic print here is inspired by old-school skateboard deck art.