Our 7 volt Sock Liner has stretch upper panels for comfortable fit and non-stretch bottom panels for durability and to prevent slippage. This Sock Liner insulates and wicks moisture to keep you warm and toasty all day.
Comes with two batteries and a dual charger.
Stretch upper panels for comfortable fit, non-stretch bottom panels increase durability and prevent slippage.
Max Heat: 135°F @ 7.7W
Power: 7V 2.2Ah li battery