Nikwax Tech Wash 10 oz. & TX Direct 10 oz. SetNikwax Tech Wash/ TX Direct Wash In Twin Pack contains a non-detergent soap which can be used regularly to clean clothing and equipment without damaging the Durable Water Repellent (DWR) coatings and a wash-in waterproofing for wet weather clothing, adding water-repellency and reviving breathability to fabrics without wicking liners.Wash-in cleaner for waterproof clothing and equipment with wash-in waterproofing for wet weather clothing.