Left and right asymmetrical aluminum toesFull-grain waterproof leather upperTPU shank for midfoot supportOil- and slip-resistant non-marking rubber outsoleHeat resistant, rubber outsole up to 572° F / 300° C90° Heel (5/8" Height)Non-mutilating upper reduces the chance of marking or scratching surfacesElastic side panels for easy on/offRemovable metatomical PU footbedCleansport NXT™ for natural odor protection SAFETY RATINGMeets ASTM F1677-96 MARK II Non-Slip Testing StandardsMeets ASTM F2412-17 and F2413-17 M I/75 C/75 EH StandardsMeets ASTM F2913-17 SATRA Non-Slip Testing Standards TOE TYPEAluminum Toe DUTY TYPEMedium Duty MATERIALFull grain leatherOil- and slip-resistant non-marking rubber outsoleMoisture-wicking textileRemovable metatomical PU footbed WEIGHT23.0 oz / 652.0 g CAREGently brush the shoe with a soft bristle brush or hand towel to remove loose dirt and debris. Stains can be treated by lightly rubbing a gum eraser in a circular motion over the location and lightly brushing afterwards. Tough stains can be treated with a mixture of water and a little vinegar on a damp cloth. This process may cause slight discoloration to the area.