Nikwax Footwear Cleaner and Nubuck Proof SprayTwin Pack, 125 ml by Nikwax. $11.99. It just makes sense, really. If you're going to take the time to clean your suede shoes, you're going to want to add waterproofing as well. So this combo pack from NikWax, which pairs Leather Cleaner and NuBuck And Suede Proof, is the perfect maintenance package for your shoes.. Save 27% Off!