Gerbing's Heated Vest Liner The Vest Liner is designed to keep the core of the body warm in cold weather conditions whether it be on a motorcycle, ATV, snowmobile, boat or in an automobile. It heats the chest, back and collar which warms your core and helps send warm blood to your extremities and other parts of the body. It is made with form-fitting patterns and sized for men and women to fit snugly and easily under your outer garments. The incorporation of the New Microwire Heat System makes this the most durable heated vest on the market. FEATURES Heating pads on the chest, back and collar Compressible, water-repellent, durable, Thinsulate insulation Teflon coated, wind-resistant, soft nylon shell Inside and outside pockets Form-fitting patterns and sizing for men and women to fit snugly and easily under your outer garments Lifetime warranty on the heating elements SPECIFICATIONS Heat Microwire Heat Techno ogy Source 12-volts DC Current 4.5 amps Watts 54 watts Surface Temp 135F +/- 5F at 32F Please Note Gerbing's has eliminated the Power Distribution Unit found on previous versions and replaced it with individual connectors that can be stored in a zippered, internal pocket.