DURABLE COMFORT - Made with Crazyhorse full-grain leather, Vibram 1275 Olympia rubber outsole, a composite shank, and a removable Ultimate Shock Absorption footbed that provides ultra-comfort while maintaining safety. NANO SAFETY TOE -Thinner than a traditional composite toe and lighter than a steel toe, our Nano safety toe lightens the boot while keeping safety in the forefront. WATERPROOF - These durable work boots are designed with a waterproof barrier that keeps water out for all-day comfort. SLIP & EH RESISTANCE - Footwear is tested for ASTM F3445 industry criteria for slip-resisting footwear. The EVA/rubber oil-resisting outsole is designed to withstand or reduce damage due to oil. Boots meet ASTM F2413 or ASTM F2892 electrical hazard resistance safety standards. AMERICAN MADE - Made in the USA with USA and globally sourced components.