NOTE: Temperature controller is highly recommended (sold separately). Please see Related Items below.The Gerbing GT5 Hybrid is two amazing heated gloves in one clever package. Plug the Gerbing GT5 Gloves into your motorcycle or snowmobile's 12 volt battery for endless heat while you are out for your ride. Or insert the optional 12 volt Hybrid Gerbing battery into the pocket on the gauntlet cuff for hours of heat when you are away from your vehicle. The GT5 Glove is constructed out of a winning combination of nylon, leather, and soft tricot lining with 150 grams of Thinsulate insulation to help retain the warmth and an Aquatex waterproof and breathable internal membrane to keep your hands drier. The GT5 Hybrid Gloves use Gerbing's Microwire heating technology which incorporates micro-sized heating fibers to surround your hands with warmth. The GT5 hybrid system allows you the option of powering from your vehicle's 12 volt electrical system or from Gerbing's 12 volt Hybrid lithium-ion battery pack (sold separately) with its built-in microprocessor temp controller.Features:Motorcycle glove with 12 volt vehicle battery or 12 volt plug-in capabilitiesPremium, supple, drum-dyed aniline cowhide leather on palmNylon back of handSoft tricot fleece lining150g 3M Thinsulate insulationTPU knuckle protectionPadded palmHeated on both front and back of hand plus along fingers and thumbIncorporates Gerbing's Microwire heating technologyAquatex waterproof and breathable membraneElastic wrist with adjustable strapGauntlet cuff with drawstringGerbing Temperature Controller highly recommended (sold separately)Two 12V batteries and wall charger are optional (sold separately) Lifetime Microwire warrantyMaterial: Leather, Nylon, with tricot liningMax heat: 135 FPower: 12V DC 2.2 AmpHeating Time on 12V 9,000mAh Battery Power:High: 1 HourMedium: 2.5 HoursLow: 4 HoursConnected to Vehicle Battery: Unlimited