I live in a region where there is a lot of skiing and other Winter sports. The athletes imported silk long underwear to go under their fancy fleece, as it does not get soggy with exertion. This brilliance spread to bus drivers and truckers, and finally to construction workers. Virtually any machoman you see working out in Winter weather is quite possibly snug in his silk longjohns for his first layer. Silk feels gooooooooood....................elsullo