The easy to use, safe, high performance, wash-in waterproofing for cotton, polycotton and canvas. Adds Durable Water Repellency; reducing weight gain and maintaining the breathability of cotton, polycotton and canvas, in wet weather.

Nikwax Cotton Proof™ has been specifically designed and optimised for breathable cotton, polycotton and canvas materials; it leaves a flexible water repellent treatment on individual fibres allowing moisture vapour to pass through, maintaining breathability, prolonging the life of gear and optimising performance in wet weather.

Features:
Water based and biodegradable
Contains no VOC's or flourocarbons
Machine washable