How to fix a raincoat that is no longer waterproof | The IndependentNotifications can be managed in browser preferences.Jump to contentIndependentSwipe for next articleIndependent Bulletin homepageDownload ourSocial PartnerWe are 8 logo (opens in a new tab)AllNewsSportCultureLifestyleThe Conversation Original report by Carolina Quintero RodriguezFriday 27 February 2026 14:31 GMTThe Independent reviews Boden raincoatRain jackets typically lose their waterproofing due to the degradation of the Durable Water Repellent (DWR) finish, rather than the internal membrane failing.The DWR coating, which causes water to bead off, can be damaged by abrasion, sun exposure, and contaminants such as body oils, sunscreen, and dirt.To maintain a jacket's waterproofing, it should be gently washed with cleaners designed for waterproof fabrics or mild soap, avoiding harsh detergents and fabric softeners.The DWR finish can be reapplied using commercial spray-on or wash-in products, and some finishes can be reactivated by exposure to low heat.Following manufacturer care instructions, avoiding improper storage, and being mindful of heavy sunscreens and repellents are key to extending a rain jacket's lifespan.In fullRaincoat no longer waterproof? A textile scientist explains how to fix itThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in