Product Specifications Heating Zones Full sole Working Hours High:3H，Medium:7H, Low:11H Heating Mode (Temperature) High:147℉，Medium:126℉, Low:108℉ Battery Capacity 7.4V 2050mAh Fabric 50% Cotton 30% Coolmax 13% Polyester 7% Spandex Occasions Christmas, Father‘s Day, New Year, Sports events, Football Game and Gift Ideal Sport Types Skiing，Hunting, Hiking, Walking, Golf, Daily Work Fishing and Commute, Sport Games Previous page Full-foot heating zone Step in, feel the heat surround you, and keep every inch of your feet cozy, no matter the chill. Integrated flip-cover battery pocket Slip in the battery, flip the cover, and it’s secure. All-day heat, all in one simple, cozy design. Ribbed cuffs at the ankle and foot Keeps warmth in place and your socks comfortably secure, so you’re free to move without a slip. Cozy, flexible, and built to stay put. Flat, seamless wiring inside the sock Designed to be invisible to the touch, so all you get is cozy heat, without any bulk. Left and right markers Clear, simple labels to keep your heated socks just where they belong. Slide on and go! Next page Previous page Next page