USB SOCK BATTERIES 2PACK BATTERY With its combination of a

With its combination of a customizable fit

Great for blocked trails or loose snow

so we've designed them to last

which allows for more calf space

USB SOCK BATTERIES 2PACK BATTERY With its combination of aNeed a boost of warmth for your freezing toes? This pack of 2 rechargeable batteries is just what your feet need. Compatible with KOMBI's Warm It Up heated socks, these 2 lithium ion power packs can be recharged via USB C input and USB A output. They are easy to use and offer up to 8 hours of heating time, so you can comfortably make the most of your day spent in the cold. Plus, our KOMBI batteries come with a 1 year warranty.