Get a pair of Hotronic Heating Elements with Cambrelle Covers for warm and toasty toes the next time you plan a winter excursion. These ski boot heaters and covers work with Hotronic insoles or any other insole you prefer. These heater parts are all self-adhesive for convenient assembly and installation. The large oval heating elements provide great coverage for your toes, the area that looses heat the quickest for most of us. All you have to do is stick the heat elements onto the insole or orthotic of your choice and stick the Cabrelle cover on for additional moisture wicking comfort.