The KEEN Utility Tacoma Work Boot is a hard-working, heavy-duty boot has composite safety toes that offer the strength of steel without the weight. Waterproof leather and a slip-resistant sole make it great for outdoor work. A heavy duty boot to get the job done. TECHNICAL SPECS - KEEN.Dry waterproof breathable membrane - Left and right asymmetrical composite toe - Meets or exceeds ASTM F1677-96 Mark II non-slip testing standards - Meets or exceeds ASTM F2412-11 and F2413-11 I/75 C/75 EH standards FEATURES - 100% Non-metallic construction - 90 degree heel - Goodyear welt construction - Cleansport NXT™ for natural odor control - TPU stability shank - Left and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steel - KEEN.DRY waterproof, breathable membrane - Full-grain waterproof leather - Oil-and-slip-resistant non-marking rubber outsole - Electrical hazard (EH) or Electric Shock Resistant (ESR) footwear provides a secondary source of protection in case of accidental contact with live electrical circuits - 3/4 Goodyear welt construction for enhanced durability and flexibility under extreme working conditions - KEEN Luftcell dual-density PU midsole, infused with air for weightless comfort