Heated padded vest with 3 zones. One size. Made from breathable and windproof quilted nylon, a thermal fleece lining and super lightweight thermal padding in polyester eco-down (60 gr). It offers three heating panels, two on the shoulders and one on the neck area, for effective heating. It is heated by a universal power system via 5V Power Bank with USB output (not included). It also features an on/off power button with a 3-level heat adjustment. A battery pocket in the external pocket holds the battery. It offers an average battery life with 10,000mAh - 5V Power Bank. The adjustable Velcro closure at the back offers a custom and ultra-comfortable fit.