Our Revolutionary All Weather throw featuring DownTek(tm) will keep you warm and dry in any occasion. DownTek(TM) is a patented technology that makes down repel water. Traditional down gets soggy and clumpy when wet, DownTek(TM) down resists any type of moisture. This throw is great for sporting events, picnics, camping, fishing, hunting, traveling and many other activities. It packs neatly into a self contained zipper pouch and can even be used as a pillow. The outer fabric is made from Rip-Stop Nylon - the same material used to make parachutes.