Gerbing's Heated Jacket Liner Constructed from a wind-resistant, soft nylon shell. Wear the heated jacket liner under other motorcycle clothing. Insulated to be thermally efficient along with being wind-resistant and highly compressible. The perfect garment to pack for those unpredictable weather conditions. Gerbings newest version includes many upgrades to help make the jacket liner even better. The most revolutionary change to the liner is the New Microwire heat panels strategically placed throughout the garment, providing you with the thinnest, lightest, strongest and fastest heating system ever. Heating pads on the chest, back, collar, and sleeves Compressible, water-repellent, durable, Thinsulate insulation Teflon coated, wind-resistant, soft nylon shell Inside and outside pockets Silky soft micro denier collar Form-fitting patterns and sizing to fit snugly and easily under your outer garments Glove plug pockets placed on the sleeves secure the plugs when not in use Dual 2 wiring configuration (for one user only) Lifetime warranty on heating elements Incorporates Gerbing's Microwire heating technology that uses micro-sized heating fibers to surround the body with warmth. SPECIFICATIONS Heat Microwire Heat Techno ogy Source 12-volts DC Current 6.4 amps Watts 77 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.