the fans being glad you're there and just double taking to make sure your sleeves weren't those fake fabric sleeves 🙂
No, I think you'd be comfortable and I really doubt there are many who would be even slightly bothered, even if you've got the face tatoos (which I can't understand for the life of me, but I've got a nephew who belongs to a motorcycle gang and has them all over his face, neck, head and everywhere else actually)!
Oh, all this presumes you'll be in BYU gear 🙂 Otherwise I suspect most would assume your a ksu/k-state (don't get the board started) fan.