Gerbing's Women's Core Heat S-2 Gloves Features CORE HEAT snow gloves are designed exclusively for outdoor women enthusiasts Glove heats the entire length of each finger including the thumb as well as the back of the hand Extended gauntlet Velcro adjustable gauntlet fastener and Zip-Cinch cuff Waterproof/Breathable Membrane Thinsulate insulation for great warmth and dexterity Soft Tricot fleece lining for warmth and durability Patented Microwired heating technology Articulated, pre-curved fit Operated by powerful rechargeable 7v Lithium battery with microprocessor controlled technology and single button four-level LED indicator Leather palm for added grip and durability Combination of Leather and Nylon material Lifetime Warranty on the gloves Microwire Technology Specifications Core Heat Transfer System 7V 2.2Ah lithium-ion battery Power Source Current 1.1A Watts 7.7W Surface Temp 135F Approximate Heat Output and Duration 100 135F 2 hours 75 115F 3 hours 50 105F 5 hours 25 85F 8 hours Includes rechargeable lithium battery with a built-in microprocessor controller. Please Note Gerbing's Core Heat products are not designed for use on a motorcycle, they are designed for casual / outdoor use. For heated products for use on a motorcycle see Gerbing's Heated Clothing