A nice touch is the 3XL has a bit of stretch for comfort.
Awesome Ghost In The Shell T-Shirt Men Crewneck 100% Cotton T Shirt Anime Manga
You will find that an unbranded tee like this is a reliable basic.
Always Be Yourself Unless You Can Be A Pirate Flip Shirt – Funny Gift for Men
This T-Shirt is cut with a straight hem that looks neat and modern.
Always Be Yourself Unless You Can Be A Shark Flip Shirt – Funny Gift for Men
The design of this T-Shirt is simple enough to wear with patterned bottoms.
Rabies Awareness Fun Run Funny TV Comedy Running T-Shirt
This unbranded shirt is a solid choice for a clean, polished look.