WATERPROOF SPRAY Keep your Hunter footwear extra protected from the elements with the Waterproof Spray. Developed to create an invisible coating which repels liquids and prevents stains. With a dry time of 10 minutes, one application of the spray gives up to 4 weeks of protection from liquids. For use on canvas, mesh & suede, the repellent spray does not affect the look, feel or performance of the footwear.