Made of 100% polyester, Bosch’s 12V MAX Heated Jacket brings a whole new level of comfort and warmth. Three high efficiency core heating zones keep you warm during colder conditions, with three heat settings for the perfect level of comfort. A soft-shell outer coating enhances the jackets durability, making it resistant to water and wind to keep the heat in and the cold out. Five separate pockets provide plenty of storage for your portable phones and other accessories, and added reflective strips lining the chest offer added safety and awareness in darker conditions. Charge cell phones and other electronic devices with the integrated USB port on the battery holster Includes: 12V MAX Lithium-Ion Heated Jacket,12V MAX Lithium-Ion Battery,Battery Holster.