ActionHeat Wool AA Battery Heated Socks

Built-In heating panels strategically placed on the top of the toes use advanced ultra-fine fibers to provide superior heating performance Material Content: 50% Wool, 48.5% Cotton & 1.5% Lycra The ActionHeat socks reach a maximum temperature of 140F and can last up to 4 hours. These heating socks are perfect for the chilling days. High-quality elastic fiber material with advanced heating technology focusing on the toes to prevent the feet from getting cold, which can promote blood circulation and give you a warm winter..syi