The high performance waterproofer designed to enhance performance and revitalize the breathability of waterproof clothing. Easy to use in your washing machine or by hand, non flammable and PFAS free. Features: Easy to use wash-in waterproofing for all breathable waterproof clothing Adds water repellency, revives breathability and reduces water absorbency without tumble drying Enhances the performance of your gear, keeping you warmer and drier Recommended for Gore-Tex(R), Sympatex(R), eVent(R), Nikwax Analogy(R) and all other waterproof fabrics