The Gerbing 7V Men's Khione Jacket 2.0 is a perfect combination of technology and comfort that serves as an extra layer for optimum insulation. It features patented Microwire heating zones that offer ample heat to your chest, back, and collar. A 7V, 3400 mAh lithium-ion battery ensures that the battery operated jacket provides heat for up to 8 continuous hours. Manufactured from 200-fill synthetic down, the premium jacket provides durable performance and close-fitting. In addition, the exterior ripstop polyester fabric withstands bad weather conditions, making this waterproof clothing an ideal option to keep yourself protected from rain, snow, and wind when outdoors. Plus, its amazing puffer design not only provides a sporty look but also pairs well with casual and daily wear. There is an LED indicator on the jacket, which indicates the heat setting.