Nikwax fabric and leather waterproof the nikwax fabric and leather waterproof is an easy to use waterproofing for footwear with fabric or leather without compromising on performance or breathability with a simple sponge application for a no mess restoration this nikwax waterproofer is recommended for use on footwear with gore tex sympatex and event technologies nikwax footwear waterproofing 125ml bottle with sponge applicator no propellant gases environmentally safe not tes