Apply the Nikwax Fabric & Leather Footwear treatment to boost water-repellency and breathability in your great gear. This Nikwax product performs ideally with footwear with waterproof inserts like Gore-Tex by restoring the factory water repellant coating. Even if your shoes didn't have a water-resistant coating when you bought them, this Nikwax treatment prepares your footwear for wet weather. Application of this Nikwax product won't mess up the color of your footwear.