These is a pair of heated socks which is made from premium material, 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- Color: As shown.- Material: Polyester.- Size: 26.00X21.00X0.70cm/10.22X8.25X0.28 inch.- Battery: 6pcs 1.5V AA batteries (not included).- Heating temperature: 50.- Made by polyester materials for safe, and comfortable long time wear.- Store heat to keep warm, and breathable, give you a comfortable usage experience.- Made from premium material, it is skin-friendly and could be folded freely.- Safe to use. No fear of leakage of electricity, very safe. Also can be a gift to your friends.- It is very comfortable to wear. Convenient to store and portable to take outside for travel.