Crep Shoe Spray Sneaker Protect Crep Protect uses revolutionary Nano Technology and creates an invisible protective barrier that prevents rain and stains from spoiling your footwear. Surfaces treated with this agent will repel almost all liquids and makes cleaning as easy as wiping with a damp cloth. This treatment can last up to two weeks and really does make an amazing difference to the overall care of your sneakers. This is the future of the footwear industry and once you've used it you will see why!