This is a heated puffer vest, designed for active warmth in cold weather. Key Features Heating System: Includes a built-in heating element activated by the power button on the chest. Thermal Lining: Features a silver heat-reflective interior (omni-heat style) to retain body temperature. Design: Black quilted exterior with a high stand-up collar and zippered side pockets. Power Source: Typically powered by a portable USB power bank (not shown) stored in an internal pocket. Quick Care Tips Washing: Most are machine washable on a gentle cycle, but you must remove the battery pack first. Settings: The chest button usually toggles through three heat levels (High, Medium, Low), often indicated by different colors.