Do you wear glasses? Hard to wear a mouth/ face covering without fogging those up I find.
If this is about warmth, top of your head and neck are the main spots - handwarmer tucked into either/ both? If it’s about cold air, get a face covering with an opening for your nostrils and breathe through your nose - your nasal passages warm the incoming air.
If it’s cammo, open a bottle of wine, burn the end of the cork, smear the ash in some petroleum jelly then let it rest for a bit. Meanwhile, drink the wine, ponder what in life is important then when the lightbulb moment comes, bin the cork and sooty petroleum jelly before you have to explain yourself to others.