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