The Gerbing 7V Women s Khione Jacket 2.0 is a perfect addition to any casual wear activewear or winter wardrobe. Equipped with Microwire technology the electric heated jacket warms up core body parts such as the chest back and collar. The technology offers heat for up to 8 hours via a 3400 mAh lithium-ion battery that maintains temperature of up to 135?F. The jacket is manufactured from ripstop polyester nylon that repels wind snow and water. Also the jacket uses 200-fill synthetic down fabric that ensures close-fitting and offers maximum insulation without using the heat generation ability. The heated garment for men is flexible and moisture-wicking too keeping you dry and warm in extremely cold temperatures and during charged-up activities.