100% Leather/Nylon Imported All-new Danner comfort system (dcs) delivers best-in-class durability, support and comfort Durable, waterproof, polish able, full-grain leather and rip stop ballistic nylon upper Waterproof Danner dry liner pulls moisture away from the foot for greater comfort Semi-locking side-zip provides a fast and secure fit Anatomical design and broader toe box for responsive fit