This heated socks can keep you feet warm and provide comfort in cold winter.Features:Electric rechargeable heated socks for chronically cold feet.Made of high quality polyester cotton material, breathable, flexible and comfortable.With convenient battery pocket design, easy to carry the battery boxes.Battery powered, multiple charging modes, safe and reliable.Great for hunting, skiing, ice fishing, hiking and sport events.Specifications:Material: Cotton + PolyesterColor: Black/Grey (optional)Input Voltage: 1.5V/2ASock Size: 28*23*9.4cm/11*9.1*3.7inPackage Size: 33*18cm/13*7.1inPackage Weight: 279g/9.8oz Package List:1 * Pair of Socks1 * Pair of Battery Boxes1 * USB CableNote: The Battery is NOT included.The socks are with cables,please take care to wash by hands.