Nikwax Footwear Cleaning Gel - 125ml The Nikwax Footwear Cleaning gel is a speciality cleaner designed to revitalise water repellency and breathability of all waterproof footwear. Easy to apply by hand, non flammable and PFC free. For cleaning waterproof footwear. Cleaning Gel Features: Brush-on cleaner for all waterproof footwear. Cleans effectively, restores water repellency and revives breathability. Revives the performance of your footwear, keeping your feet warmer and drier. Recommended for Gore-Tex, eVent and all other waterproof footwear.