Built with durability, comfort, and superior protection in mind, the Grindstone XTR is your go-to footwear for demanding environments, ensuring you stay safe and comfortable from dawn till dusk. This 6" lace-up is crafted from premium waterproof full grain leather and our Guaranteed Rocky® Recycled Waterproof Construction keeping your feet dry in wet and muddy conditions, while flex welt construction ensures long-lasting performance. This boot features an Oil, Slip, Barnyard Acid, and Chemical Resisting PU Outsole providing traction you can trust while navigating slick floors or uneven ground. Inside, the Grindstone XTR boasts our Rocky® Air-Port Lite® Sponge PU Footbed with Memory Foam. This advanced insole technology delivers superior cushioning and support, reducing foot fatigue and keeping you energized throughout your workday. This non-safety toe work boot meets ASTM F2892 electrical hazard standard. Flex Welt Construction 6 Inches in height Oil, Slip, Barnyard Acid, and Chemical-Resisting PU Outsole Guaranteed Rocky® Recycled Waterproof Construction Rocky® Air-Port Lite® Sponge PU Footbed with Memory Foam ASTM F2892 electrical hazard standard Waterproof Full Grain Leather