Use it as is or as a layer during cold and wet conditions, this is easy to stow away after use... "The UF PRO® Hunter Sweater is the perfect piece of equipment for cold, windy or wet days. It provides superb comfort during outdoor activities in uncertain weather conditions. As it is light and nicely packable, it perfectly qualifies for longer outdoor activities and can be worn under tactical equipment or simply as 'stand alone' whenever it's getting cooler."