Xtratuf Elite Performance Boots are insulated performance boots designed for protection in the harshest conditions. Using the Honeywell Proprietary RDR oil/chemical resistant compound, this boot is resistant to many organic and inorganic acids, oils, chemicals, and contaminants. These boots are built with a Spandura covered 5mm neoprene bootie, allowing the boots to have a comfort rated to -20 degrees Fahrenheit. These boots are perfect for long days at sea or on the dock. Oil, Acid, & Chemical Resistant100% Waterproof5mm Neoprene BootieBreathable Airmesh Lining with High Abrasion SpanduraSlip Resistant Chevron OutsoleReinforced Rubber Layers