Features a waterproof TPU shell with coated suede and leather, and a mesh upper. The Merrell M Select™ DRY impermeable membrane keeps water out while allowing moisture to escape. Non-metallic lacing hardware and a 200 Polar Fleece lining provide added warmth. M Select™ WARM low-bulk 200 gram insulation enhances thermal protection. The Kinetic Fit™ Advanced blended EVA footbed offers support, while the Merrell air cushion in the heel absorbs shock and adds stability. A molded nylon arch shank supports and flexes with the midfoot. It meets ASTM F2413-11 for electrical hazard protection and has a composite toe rated ASTM F2413-11 1/75 C/75. The Vibram® Arctic Grip Pro™ outsole delivers exceptional traction on wet ice.