The crew neck here is a nice touch, with a reinforced band that lasts long.
Nautica ~ Men’s 4-Pack Tanks Tops Cotton Blend White Undershirts ~ L (42-44)
You will find the crew neck is just loose enough to let air circulate well.
Ariat Men’s Graphic T-Shirt Rebar Cotton Strong Blended, Short Sleeve Pre-Wash
A nice touch is the pre-shrunk material that keeps its size through all seasons washes.
Eddie Bauer ~ Men’s 4-Pack Tanks Tops Undershirts Cotton Blend A-Shirts ~ M
You will find that a solid tee like this one simplifies your daily choices.
Stafford T Shirt Dry+Cool V-Necks Blended Cotton LARGE 4Pack
This shirt is a solid color, which makes it super easy to pair with any bottoms you own.