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by ancient_art 1934 days ago
I never did sports with masks, but yesterday I read the other comments and many pointed out that you should wear one or something similar to heat up and moisturize your breath.

Well, I tried it by going for an evening run yesterday at -2°C and it was amazing! No coughs, no stinging in my chest only a running nose. Last November I had problems to breath after my evening runs because it hurt so much and I quit because of this!