Nikwax Leather Waterproofing Liquid Wax - 4.2 oz Leather Waterproofing Liquid Wax - 4.2 oz The Leather Waterproofing Liquid Wax - 4.2 oz is a high-performance product by Nikwax, designed for smooth leather footwear. This water-based waterproofing... MSRP: Was: Now: $9.95