Thermal perspiring socks. The feature of this article is an extraordinary lightness of the fabric, which does not affect its thermal capacities. The polypropylene material maintains your feet always dry and warm, assuring a perfect perspiration of sweat and a balanced internal thermoregulation. The reinforced seams at the front and heels allows for a better tensile strength. Ideal for rigid temperatures, it is suitable for all kind of sports as well as for everyday life.