PEAK Maxshield Water-Repellent Shoe Care, Silicone at Tractor Supply Co.
Kiwi Clear Boot Protector 10.5 oz - Ace Hardware
Shoe Doctor | All Protector Waterproofing Spray
Amazon.com: Kg's XTREME Heavy Duty Silicone Water and Stain Repellent Spray – Stain and Water Repellent for Leather, Suede, Canvas, Nylon, and More (8 Oz) : Clothing, Shoes & Jewelry