A crew neckline like this one is perfect for a lazy weekend or running errands.
Men Tank Top 100%Cotton Ribbed White A-Shirt Wife Beater Undershirts Size:S-4XL
The adjustable hem with a small button lets you create a side slit.
Jockey Men’s Slim Fit Cotton Stretch V-Neck Undershirt – 2 Pack
I really like how this black tee looks both casual and slightly dressy.
Polo Ralph Lauren Men’s Classic-Fit Crewneck T-Shirt Black & White -S,M,L,XL,XXL
You will find that the black color doesn’t show dirt easily.
Dolph PRE Paper Route Empire Shirt RIP Young Legend Adult T-Shirt (S-3xl) Tee
A nice touch is the double stitching around the round neck for durability.