Sponge-on waterproofing / Spray-on waterproofing. Waterproofs, maintains support and breathability. Adds water repellency. Prolongs life and performance of all nubuck or suede footwear. Maintains breathability. Ideal for footwear with breathable linings e.g. Gore-Tex. This Nikwax waterproofing is ideal for all full grain nubudck and suede leather footwear (work, fashion, leisure and sports) It is safe to use on footwear with breathable membranes e.g. Gore-Tex, SympaTex, eVENT etc. 4.2 oz.