A nice touch is the short sleeve fit, which feels natural and not overly loose.
Paramore Graphic Unisex T-Shirt Full Size S-5XL HM1676
With short sleeves, you can layer a vest over it without extra bulk.
Behaviour Album by Pet Shop Boys T-Shirt FULL Size S-5XL NA1023
Short sleeves help this shirt feel less heavy and more breathable overall.
Tony The Tiger Unisex T-Shirt Full Size S-5XL For Fan HM1673
A nice touch with short sleeves is how they let your arms appear more defined.
In God We Trust Jesus And The Lion 3D Shirt All Over Print Shirt Full Size S-5XL
A nice touch is how the graphic print is slightly faded for a worn-in look.