Celsius Heat Socks provide long-lasting warmth on the cold hunts. The heat panel is strategically placed underneath your foot, where it’s needed most, with the wire running smoothly to the power-bank pocket without causing any irritation. These socks are made from comfortable polyester and elastane. They feature flat toe seams and arch support, ensuring a snug fit that stays in place. They’re machine washable when the power banks are removed, offering convenience and easy care. Each pair comes with two 5000 mAh power banks, delivering up to 8 hours of heat, keeping your feet warm and comfortable all day long in even the coldest conditions.