These is a pair of heated socks which is made from , are not only keep the toe warm when skiing but also increases comfort and support, reducing stress of shin and foot. Great for outdoor use in winter. Features - ColorBlack - Material: Polyester. - Size: 26.00X21.00X0.70cm/10.22X8.25X0.28 inch. - Battery: 6pcs 1.5V AA batteries (not included). - Heating temperature: 50 degree centigrade. - Made by polyester materials for , and comfortable long time wear. - Store heat to keep warm, and breathable, give you a comfortable usage experience. - Made from , it is skin-friendly and could be folded freely. - to use. No fear of leakage of electricity, very . Also can be a present to your friends. - It is very comfortable to wear. Convenient to store and portable to take outside for travel. Package list: 1 pair 2 x battery boxes 2 x USB cables