PU coated leather and ripstop textile upper - Traditional lace closure - Bellows tongue keeps out debris - Breathable mesh lining - COMFORTBASE contoured insole cradles your foot in all day comfort - Molded nylon arch shank - Merrell Air Cushion in the heel absorbs shock and adds stability - COMFORTBASE rubberized EVA midsole for increased shock absorption and cushion - Merrell sticky rubber outsole with durable traction that grips when and where you need it - Oil and slip resistant rubber outsole; Mark II tested - Heat resistant outsole protection for brief periods of contact that meet or exceed 500F - Carbon Fiber safety toe; rated ASTM F2413-18 I/C - EH rated ASTM F2413-18