-20F on a calm day in the sunshine is 10x better than 0 and wind.
This past December I was out doing something and it was COLD and windy. After a few minutes my nose started burning but I still had to walk back to the pickup. Started walking backwards and by the time I got in to warm up my beak was itchy burning.
It was very sensitive to the touch for a week or ten days later. Felt like a huge zit forming in the center of my nose.
