Designed for all waxed cotton clothing and outerwear, this cotton proofer from specialists Nikwax is a re-proofer which will rejuvenate the water repellency of your waxed cotton clothing, helping to prolong the life of your gear and giving you to confidence to venture out in wet conditions. Remove everyday dirt and contaminants with this wax cotton proofer from Nikwax.For best results we Nikwax recommend cleaning the outside of your jacket using Nikwax Tech Wash (if care label allow) with a damp cloth or rinse it under running water and sponge it down to move surface dirt. Follow care label instructions.