Features include a leather and mesh and TPU cage with 3D print upper. Traditional lace closure. Bellows tongue keeps debris out. Mesh lining. Merrell M Select™ FIT.ECO blended EVA contoured footbed with organic odor control. M Select FRESH fights odors. Vibram Megagrip. Molded nylon arch shank. Merrell air cushion in the heel absorbs shock and adds stability. 5mm lug depth.