Tough jobs. Even tougher conditions. But you're not backing down and neither are your boots. Because Grindstone™ Work Boots are built from the ground up for hard-wearing performance and all-day comfort. The rugged full-grain leather upper is reinforced front and back with hard-wearing Tec-Tuff® to take all the abuse you kick up on the job. 100% waterproof/breathable to keep your feet dry in any weather. Dri-Lex® lining fights boot stench. ASTM F2413-11 M I/75 C/75-compliant composite toe. All on top of an oil-resisting sole with a mud-shedding tread design. Built to let you really step it up!