Then I must need a T-shirt that goes past my chin, as my pelt and stubble shred my shirts after 15 to 20 wearings. Seriously. I've given up wearing nice clothes because my body hair destroys them so quickly.
My wife bought a spool of Kevlar fiber a number of years ago and knitted a liner into the throat area of a nice cotton sweater that was quickly being chewed up. But my stubble even shredded the Kevlar, though it did slow down the rate of destruction.
I don't wear T-shirts under other shirts because I roast in them, but I do wear them by themselves frequently.
YIKES