You will find that short sleeves let you stay relaxed without sacrificing style.
Super Mario Bros Nintendo Classic Video Game Box Cover T Shirt
A nice touch is that the small size has a narrower waist for a trim fit.
Pusheen The Cat PIZZA BOX PUSHEEN EATING PIZZA T-Shirt NWT Licensed & Official
You will find that unisex adult clothing like this works for any season.
Sonic the Hedgehog 2 1992 Sega Genesis Retro Video Game Box Cover Game T-Shirt
I love that this tee is solid, because it never clashes with patterned pants.
Box Label Playoff Shirt to Match Jordan 12 Playoff CT8013-006 / NEW Black
What stands out about this option is the unisex adult sizing chart, which is easy to follow.