Designed to be worn on or off duty, the Under Armour ColdGear Tactical Vest keeps you warm when the temperature drops. Like all products in Under Armourís ColdGear line, this vest is best worn in weather between 0 and 55 degrees Fahrenheit. It is made with UA Storm1 technology, which provides a water-resistant finish that still promotes breathability. This polyester vest also is designed to fit close to the skin without being too tight. A zippered chest pocket provides convenient storage space for small accessories. Ideal for use in the field or just about anywhere else, this vest keeps you warm and comfortable all day long.