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.