Nikwax Tx Direct Spray On. Nikwax is a truly effective waterproofing and cleaning system for all your outdoor clothing. Designed for maximum performance. Environmentally sound.TX Direct Spray On restores DWR durable water repellent finish to all waterproofbreathable laminates and coatings. Ideal for garments with knitted wicking linings, single wall tents, bivy sacks and synthetic sleeping bags. Suitable for Gor Tex, Ultrex, Entrant, eVENT, Triple Point, and microfiber fabrics. 10 fl oz. spray, spray head included.