The grangers 2in1 waterproofer grangers clothing repel is a wash in product designed to restore the water repellent finish found on all outdoor and technical clothing grangers 2in1 waterproofer features formulated to restore the water repellent finish found on outdoor clothing fluorocarbon free and environmentally responsible best when applied to a clean garment ndash we recommend using grangers performance wash suitable for use on all gore texreg and event garme