Nikwax txdirect spray on textile waterproof features this spray on treatment restores the durable water repellency finish of allwaterproof breathable laminates and coatings its ideal for garments withknitted wicking linings or gear such as single wall tents and bivy sacks thatcannot be machine washed pre wash your item with nikwax tech wash or anothermild soap before treating it specifications patented award winning formula restores water repellency to synthetic outerwear