Nikwax Softshell Proof Wash-In 300ml is a high-performance waterproofer crafted to boost the functionality and breathability of softshell garments. This easy-to-use wash-in solution is perfect for waterproofing softshell clothing, ensuring that your gear remains effective in various conditions. By adding water repellency to critical areas and reviving breathability without the need for tumble drying, it enhances your comfort and keeps you warmer and drier. Ideal for use with Windstopper, Schoeller, and other softshell apparel, it can be applied through hand or machine washing. High-performance waterproofer for softshell garments Enhances breathability and water repellency Easy application in washing machines Non-flammable and PFAS free Suitable for jackets and trousers Revives performance without tumble drying Recommended for Windstopper and Schoeller clothing