The socks are very comfortable, and for the most part have kept my feet warm. My only complaint thus far is that I bought the ones that are the tallest socks they have, and was under the impression that they would come up all the way over my calf, but they do not. I'm 5'7", 165 #'s and wear a size 8.5 shoe, so I would expect them to come up higher. I wear tall snake boots most of the time, so that's why I wanted taller socks. I bought a pair of another brand and they are taller, just double ...