The Keen Aurora Mid is an all-leather crossover style boot. The lightweight footwear has an athletic fit and versatile design. The boot features oil- and slip-resistant, non-marking rubber outsoles that meet ASTM Mark II non-slip standards. Built with supple, waterproof leather, the 6" boot features a Keen.Dry waterproof, breathable membrane. The compression-molded, EVA midsole with removable metatomical dual-density EVA footbed provides comfort while left and right asymmetrical steel toes help protect feet from hazards without sacrificing comfort.