... shoe is a kind of new healthy and warm shoes .It keeps warm ,dry ,remove the smell,kill bacterial all ... button to increase the temperature and keep warm .alway keep you feet warm at night ,you can recharge the shoes ... Anyway,it is a new type ,good health and warm electronic shoes,have it ,you won't have cool ... more .Even in heavy snowy days ,you will feel warm all the time . The color ,design and leather ...