Whether you are riding a motorcycle, skiing, working outdoors, or performing any other cold-weather activity, the Gerbing 7V Ultimate Wool Heated Socks keep your feet warm and cozy. Designed with built-in microwire heating technology, these heated ski socks heat the entire bottom and top of your feet. They evenly distribute heat and are considered the best heated sock on the market today. These electric heated socks are powered by 2200mAh, 7.4V batteries that can be kept in the side pocket to ensure undisrupted heat throughout. Designed for comfort and high-tech performance, they are made of fine-quality wool blend fabric that is discreetly fit with a full footpad heating system. They are designed with three-level heat settings, such as high (red): 140℉ (3 hours), medium (white): 120℉ (5 Hours), and low (blue): 100℉ (7 hours). Its temperature setting can be changed with a simple touch of a button. The kit includes two-Gerbing 7V Wool Heated Socks, two-Gerbing 7V 2,200 mAh Batteries, and a Gerbing 7V Dual Charger.