Z1R M4 Boots Rain is not an issue with the Z1R M4 waterproof boots. The Soft sole allows for excellent grip in slick conditions such as small amounts of oil. Slip these boots on or off with the easy interior zip up closure. The M4 boots are equipped with an antibacterial liner to eat away at the smelly germs left behind to keep them smelling fresh. Features Waterproof 2.2mm full-grain leather construction Eyelet/hook lace-up front Interior zipper closure Slip-resistant, oil-resistant outsole Antibacterial moisture-wicking lining Climate control cushioned insole