A nice touch in the small size is the soft ribbing around the neckline.
Vintage Fake Six Pack Male Torso T-Shirt XXL White Cotton Poly Single Stitch USA
A crew neckline like this keeps the focus on the fabric and print instead.
Alpha Male Funny Cat Kitten Rainbow Floral Unisex T-Shirt
The unbranded design of this shirt makes it a low-maintenance staple.
Green Lantern Classic Logo Adult T-Shirt
What stands out about the small is how it stays put during movement.
Husqvarna Logo Graphic T shirt
You will find that an official item like this holds up wash after wash.