Improve the water repellency of your GORE-TEX® running shoes and hiking boots without wearing down the elastic properties of the leather upper. Granger's G-Tec Nubuck and Suede Protector enhances and restores water and stain resistance while keeping leather supple and easy-fitting. This is one of the best fabric and leather treatments you'll find for running and hiking footwear especially when working with waterproof and breathable GORE-TEX® membranes. Granger's G-Tec Nubuck and Suede Protector is tested licensed and approved by W. L. GORE-TEX® and Associates for use on all GORE-TEX® fabrics and membranes so you get the job done right the first time without any damage to your outdoor shoes and performance footwear.