Gerbing 7V Wool Heated Socks - GER-SK-7V-W-L-XL

Heats the entire bottom of your foot
Microwire heating elements deliver evenly distributed heat
Moisture-wicking Wool Blend Fabric
Special long cut pulls over your calf to fit any boot or shoe
Touch-Button Temperature Control
Includes:
Two 7V Wool Heated Socks
Two 7V 2,200 mAh Batteries
7V Dual Charger
Estimated Heating Times:
High (Red): 140 degree F - 3 Hours
Medium (White): 120 degree F - 5 Hours
Low (Blue): 100 degree F - 7 hours
These socks get hot. Follow instructions and use them carefully.