Outdoor Men's And Women's Skiing Electric Heating Warm Stockings

Product information:
Material: 88% cotton, 9.5% polyester fiber, 2.5% spandex
Product Size: women's average size: 36~43(M size)/men's average size: 39~46(L size)
Battery Performance:-20 degrees to 50 degrees is normal for the battery
Operating temperature range: battery life is 500 cycles, remaining 80% capacity