Gerbing 12v Heated VestDescription Our 12V heated vest liner packs a powerful punch in a very lightweight, easy to tow package. It's the perfect piece to have with you all the time, just in case Mother Nature throws you an unexpected blast of cold! While not quite as warm as the full jacket liner, it's perfect to throw on under your leather or textile jacket for early morning starts, or cool evening rides. It is designed to be worn close to the body, under your outer