It's pleasant in short bursts but I find that after walking to work for 25 minutes in sub-freezing weather, my mask gets clogged with condensation and becomes s

It's pleasant in short bursts but I find that after walking to work for 25 minutes in sub-freezing weather, my mask gets clogged with condensation and becomes stifling to breathe through. During the spring though, I found that wearing a mask completely prevented all of my seasonal allergy symptoms.