When looking for a product that will protect your garments, boots, tents, etc. from water, then Granger products are what you are looking for. Grangers waterproofing sprays provide durable water and stain repellency Gore-Tex®, eVent®, Precip®, Triple Point®, Helly-Tech®, Dry-Plus® and all other waterproof/ breathable laminated, coated or microfiber fabrics. The spray-ons are odor-free and does not leave a residue. Granger’s uses the same fluoropolymer chemistry as was applied to the fabric in the manufacturing process. This assures compatibility between the original and restorative treatments which improves performance and durability. The treatment will last through several subsequent washes. An added benefit to fluoro treatments is the oil and stain repellency they provide. Adds or restores DWR finish to synthetic fabrics. Spray-on application is ideal for garments with wicking liners or for gear that can not be machine washed (such as waterproof/breathable tents or bivy sacks). Optimizes breathability while shedding water, oil and dirt from the textile surface. Long lasting. Effective through several subsequent washes. Waterworks Technology® is environment friendly, water-based and biodegradable. State-of-the-art fluoro chemical technology is compatible with the original fabric finish used by all major textile/garment producers. Maintains the look and feel of the fabric. Heat activated. Tumble dry or iron to achieve optimal performance.