This shirt is based on the Gildan model, so the sizing is true to size.
Colortone ‘Merica T-Shirt Mens XL Red White Blue Tie Dye Patriotic T
What stands out about the short sleeve is the smooth finish around the armhole.
Santa Barbara Tie Dye T-Shirts Adult & Kids Size S to 3XL Cotton Colortone
With the Gildan model, the sleeves have a clean roll that looks intentional.
Colorful Tie Dye T-Shirts Kids & Adult Hand dyed Cotton Colortone
A nice touch in the Gildan model is the reinforced button placket on some styles.
Colortone Brew Thru Outer 2020 OBX Tie-Dye Graphic T-shirt Size XL
The short sleeve design is straightforward, but it really delivers on comfort.