Nikwax's DuoPack Softshell is a complete care system for thoroughly cleaning, enhancing water repellency, and revitalizing the breathability of softshell clothing. Easy to use in your washing machine and by hand, non-flammable and PFAS-free. PRODUCT FEATURES: Tech Wash and Softshell Proof available as a DUO-Pack Tech Wash cleans, restores water repellency and revives breathability of your outdoor clothing and synthetic sleeping bags Softshell Proof wash-in is an easy to use, high performance waterproofer which adds water repellency and revives breathability without the need for tumble drying. Together they enhance the performance of your gear, and extend its useful life. All you need to clean, revitalize breathability and add water repellency to all softshell clothing. Both easy to apply in the washing machine or by hand. Nikwax products are all environmentally friendly; they are water-based, PFAS-free and have never used any harmful aerosols.