Macna Ascent Black Heated Base Layer JacketAn electrically heated base layer jacket, developed for daily commuters and riders in cold conditions. The Ascent is both able to raise your core temperature and retain the warmth it provides. It is fitted with a layer of down feathers to retain warmth and create that comfy feeling, as if youre lying in your own bed. This jacket is also suited to be worn as stand alone garment during outdoor activities such as fishing and hiking. Dual Power Technology