These heavyweight crew socks are perfectly suited to winter wear as well as demanding trail conditions with Thermolite fabric to help keep your feet warm, dry and comfortable.Read more
Provides warmth and comfort without weight even when wet. With its hollow-core fibers that trap air for greater insulation, Thermolite is lightweight while offering heavy-duty performance. The larger surface area allows for faster evaporation by speeding moisture away from the skin to the surface of the fabric. Thermolite also dries 20% faster than other insulating fabrics and 50% faster than cotton.