Many upscale establishments won't let you wear the T-shirt without something over it. Come prepared with a backup shirt, because missing out on a nice date due to wardrobe is always embarrassing.
Enthusiasts will probably won't to focus-in on the PTFE and PFA compositions.. as they probably won't get the desired results with FEP.
PYREX seems to be the answer that I can get here in Houston, can’t find the Teflon yet on the web, just going on a search here in Houston to see what I can find on the shelves, like you warn it will be PTFE/PFA/FEP flavored, I’ll try what I can find here first.
PS heard of the Stuxnet worm Scottbee? Check CR4 - Thread: Stuxnet unless you want to sleep tonight