Sof Sole Silicone Waterproofer Spray for Boots,Tents and Outdoor Gear 12-ounce12 percent silicone formula creates durable, long-lasting waterproof bond to repel water, dirt and oilFeatures of Sof Sole Silicone Waterproofer Spray for Boots,Tents and Outdoor Gear 12-ounce 12 percent silicone formula creates durable, long lasting waterproof bond to re..