Warm shoe, shoe, boots 1) keep warm ,dry 2) Remove the smell 3)Kill bacterial Warm ... shoes .It keeps warm ,dry ,remove the smell,kill bacterial all the time ,keep you body healthy. In ... the button to increase the temperature and keep warm .alway keep you feet warm at night ,you can ... Besides the increasing temperatures fuction ,the shoes alway can keep dry ,kill bacterial ,remove the smell ,it also can ...