I have used these twice, once hiking Katahdin, once hiking the Presidential Traverse in the White Mountains. Both times it was raining, and I would keep thinking to myself it was remarkable that my feet were dry. Spoiler alert: my shoes were actually soaked, but these socks did a remarkable job of making my feet feel dry. Even when (after stepping in huge puddles) I could feel that my feet were wet, they still stayed warm. On the traverse, it was close to freezing temperatures wind chill, with r...