The Merrell Alverstone Hiker Boot is built to provide all-day comfort and full-foot protection for days spent on the trail. It has a waterproof suede leather upper with mesh panels and a bellowed tongue that keeps debris out. Traditional lace closure Protective rubber toe cap Merrell Air Cushion in the heel absorbs shock and adds stability Merrell Kinetic Fit BASE removable contoured footbed for flexible support Compression molded EVA midsole for stability and comfort Molded nylon arch shank 5mm lug depth.