Nikwax TX.Direct Wash In - Impregnation that renews the water-repellent properties of synthetic garments and keeps you dry and comfortable longer without affecting the moisture-transporting properties. It is recommended together with Nikwax Tech Wash to be used on vapor permeable materials, e.g. Gore-Tex, Entrent, eVent, Sympatex and similar. TX Direct Wash In is applied in a washing machine by running one more wash cycle with the impregnation agent. We recommend that you always wash the garment before impregnation. Volume: 1L Nikwax has always put the environment in focus and all products are: Water-based, climate-neutral, biodegradable, flame-resistant, not tested on animals and, not least, completely free of fluorocarbons.