For chest venting don't limit the choices to V neck and zip.
In a fashionable synthetic try the two button Henley from Sierra Designs. https://sierradesigns.com/short-sleeve-pack-henley/
If you want to look like an overaged mama's boy nerdy college student not ready for professional biz attire Sierra Designs has the collared 2 button polo too.
PLENTY of cheap polyester V neck SS shirts found in big box stores.