Constructed of unlined waterproof leather upper with dual-density PU midsole for medium-duty protection. Features oil- and slip-resistant non-marking rubber outsole, removable metatomical PU footbed, KEEN Luftcell air-injected midsole and TPU shank for midfoot support. Designed with siped outsole disperses liquids quickly for increased traction, and Cleansport NXT™ for natural odor control. Midsole meets ASTM D471-06 903# oil and isooctane chemical resistance standards. Meets ASTM F1677-96 MARK II and ASTM F2913 SATRA non-slip testing standards. Aluminum toe meets ASTM F2412-11 and F2413-11 M I/75 C/75 EH standards.