Tech Wash 300ml & Softshell Proof Wash-In 300ml packaged together to safely clean and waterproof softshell garments,Tech Wash: Safely cleans technical synthetic outerwear, such as softshell garments, without damaging DWR (waterproofing treatment),Softshell Proof Wash-In: High performance waterproofer designed to enhance performance and revitalize the breathability of softshell garments,Easy to use wash-in solutions clean effectively, restore water repellency and revive breathability by removing water attracting residues from the surface,Nikwax products are PFAS-free, water based, non-persistent, and contain no optical brighteners or added scent; machine wash safe,All items must first be cleaned with Nikwax Tech Wash before waterproofing. Household detergents leave behind water attracting residues