Electric socks, cotton material, breathable, brisk drying, versatile thickened, electric modules utilizing slender, delicate.Electric Heated Socks For Chronically Cold Feet.Incredible for chasing, ice angling, climbing, and brandishing occasions. Won't stun, notwithstanding when wet.Cushioned strengthened rear area and toe, and recessed warming component enable concentration to warm in the toe to shield your feet from getting cool.Wide range of applications: suitable for cold weather or winter outdoor sports, skiing, camping, horse riding, motorcycles.Material: cottonColor：BlackHeating area: toe backHeating temperature: about 50℃Size: free size Package list:1 pair of electric socks1 pair of 3V DC battery compartment (without batteries)2. With the difference in the measurement method, please allow 1-3cm in size deviation (1cm=0.39 inch).Thank you for understanding!!