DEWBU heated jackets are premium, water-resistant, and windproof soft-shell coats designed for maximum winter warmth, featuring 5 carbon fiber heating zones (chest, back, arms) powered by a 12V USB-C battery. They offer 3, 5, or more heating levels, reaching up to \(140^{\circ }\text{F}\), lasting up to 10 hours, and are machine washable.