Nikwax Cotton Proof is a wash-in waterproofing for cotton, polycotton and canvas. It adds water-repellency and revives breathability. This easy to apply formula can be used in a washing machine or by hand, no tumble drying required and can be used on wet fabric.
It adds water repellency to cotton and polycotton and maintains breathability. Nikwax Cotton Proof also prolongs the life of gear and optimises performance in wet weather.
Nikwax Cotton Proof is water based - environmentally friendly, biodegradable, non flammable, non hazardous and does not contain fluorocarbons.