Product highlights • Heated polyester vest with slim-cut fit • Breathable, moisture-wicking and windproof • Five heating elements located in the chest, back and kidney areas • Maximum heat output 35 W at 12 V • Optional three-step controller available for heat-output regulation • Plugs into on-board socket • Lightweight fleece lining for optimum insulation • High, insulating collar • One inside pocket • Parallel operation of 2 heating vests on the K1600 models possible with optional Y-cable • Size range: XS – 3XL • Color: Black