Details Leather/mesh and TPU cage with 3D print upper Traditional lace closure Bellows tongue keeps debris out Conductor(TM) fleece lining for added warmth M Select(TM) WARM lightweight, low bulk 100 gram insulation keeps you comfortable M Select DRY for breathable waterproof protection M Select FRESH fights odors M Select FIT.ECO blended EVA contoured footbed with organic odor control Molded nylon arch shank Merrell air cushion in the heel absorbs shock and adds stability VibramA(R) Arctic GripA(R) outsole for superior traction on wet ice 5mm lug depth Imported