Keep your feet warm and comfy with the Volt 3V Heated Sock Liner. This sock provides all day heat on a single charge. Made with a moisture-wicking micro polyester to keep your feet dry and spandex interlock fabric that forms to the foot for a great fit.
2 Rechargeable VB3320R lithium batteries
Each battery weighs only 2 oz.
Hook and loop closure on the side of each sock
Built-in microprocessor controller with 3 power settings.