Product details:

Maxima 7V Mitts The Maxima heated mitts are lightweight using a nylon shell combined with 150 grams of Thinsulate insulation. The mitts also include nubuck thumb accents and a rubber palm for extra grip and durability. By utilizing the Zero Layer heat system the Maxima Mitt eliminates bulk and maximizes heat transfer. Constructed with a waterproof/breathable membrane these mittens will not only keep you warm but also dry. Great for all snow sports and outside winter activities. Features Lightweight nylon shell and soft tricot fleece lining. Waterproof/breathable membrane. Heats the entire length of each finger as well as the thumb and each side of the hand. Built-in 4 level microprocessor controller to select desired heat output. Provides over 150 degrees of soothing heat for 3 hours on the highest setting. Includes two 7.4v 2900mAh batteries and charger.