Gerbing 7V Heated Vest Liner From the company that started the heated gear revolution, the Gerbing 7V Heated Vest Liner is powered by the legendary Gerbing Microwire Technology that allows riders to enjoy their two wheeled machines all year long. The mini ripstop shell encapsulates 5 heating zones and slips seamlessly under almost any riding jacket. Gerbing 7 volt is the global leader in powersport wearable technology. Using an advanced interconnect system, Gerbing garments plug right into a portable battery and keeps you warm at any temperature, any speed. A combination of Microwire heating technologies in conjunction with your electrical system enable Gerbing to put heat where others cant and makes for the worlds warmest and longest lasting 7 volt platform, specifically designed for the temperature of speed. Features: Five Microwire heating zones: collar, chest (2) and back (2) Low profile elastic cuff for improved fit under jacket Mini Ripstop nylon shell Drop tail back for improved coverage while riding YKK zippers Max heat: 135F Power consumption: 54 Watts (4.5 Amps) 7V lithium battery and charger included