Features of the Merrell Men's Moab 2 Smooth Mid Waterproof Boot Leather and mesh Upper Metal hook and lacing eyelet for secure lacing Bellows tongue keeps debris out Protective rubber toe cap Breathable mesh lining Kinetic Fit Advanced removable contoured insole with enhanced heel and arch structure and integrated cushion Pod for medium support Molded nylon arch shank Merrell Air Cushion in the heel absorbs shock and adds stability EVA Midsole for stability and comfort Vibram TC5+ 5mm lug depth Sweat and moisture Breaks down odor causing microbes in shoes Infused into shoe lining and materials Breathable: Releases perspiration Waterproof construction blocks precipitation and wind External moisture from precipitation