... Pure color 3.Compression cotton inside Electrical heating vest 1.used for winter and ourdoor in cold weather 2.rechargeable ... to customer requirements. This product is widely used in the traffic police, military fighters, sanitation workers, the wild mountain, ... The vest has been certificated with IEC61960-2000,GB18287-2000,FZ/T64010-2000,WEEE. 2300mA intelligent electrical heating vest for middle age ...