I think Vapor Drive is something you should strongly consider when buying a tee shirt. grin

That said you probably don't want a completely 100% cotton tee. Buy a tee shirt with a tiny amount of spandex in it to give it a little stretch.

I personally like these:

https://www.amazon.com/gp/product/B00I2U371Y/ref=oh_aui_search_detailpage?ie=UTF8&psc=1


"When I say ever thing I mean ever thing." - Frankie