Men's heavyweight socks made for extreme cold. These men's socks were designed to keep you warm through the coldest conditions. They're made from wool-blend fabric that wicks away sweat, and they feature abrasion-resistant reinforcement for durability. 68% wool / 24% nylon / 1% spandex / 7% other fiber. FastDry(R) technology wicks sweat and fights odors. Abrasion-resistant reinforcement throughout the entire sock. Lighter knit structure at the ankle reduces bulk. Top length: 12.5"-13.5".