ZERO Residue Sport-Wash Detergent is safe for all washable fabrics, and yet powerful enough to remove odors and your toughest stains such as soil, blood, and grass. Its secret is that unlike other detergents designed to leave brighteners, fragrances, and other residue behind, ZERO Residue Sport-Wash rinses completely Cotton, wool, and synthetic materials are left completely clean. Insulation like down, Thinsulate, and Hollofil fluff up for maximum warmth. And even difficult to clean sport wear materials such as Gore-Tex have their waterproofing