Nikwax Fabric & Leather Proof footwear waterproofing spray helps shield your footwear made of fabric or synthetic/leather combination from the elements while still maintaining its original texture. Features -High-performance, low-impact formula waterproofs fabric, synthetic and leather combination footwear while maintaining breathability, support and texture -Aerosol-free, spray-on application; for best results, apply to clean, wet footwear -Biodegradable solution contains no fluorocarbons or VOCs -Nikwax is a global leader in safe, high-performance waterproofing and cleaning solutions for clothing, footwear and equipment Technical specs Best Use - Hiking Volume - 4.2 fluid ounces