Granger’s Performance Wash is a high-performance cleaner that’s tough on dirt and grime but gentle on technical fabrics and clothing. It’s specially formulated to clean all types of technical fabrics and clothing, including GORE-TEX and eVent garments. It also protects the water-repellent finish found on waterproof clothing. Granger’s Performance Wash is safe to use on all types of technical fabrics and clothing.