The Gravel 6 boot is the perfect companion for those working in the masonry, oil and steel industries as it features Ultraduty technology. Ultraduty technology is designed with the hardest jobs and the toughest environments in mind. It equips the Gravel 6 with a heavy-duty outsole, reinforced midsole and a comfort footbed. The boot also features extreme slip-resistance technology that goes above and beyond industry standards. For extra protection, the boot offers a water-resistant leather upper, a steel toe, reinforced stitching, scuff caps and has a heat, penetration, fuel and oil-resistant outsole. To keep you moving and comfortable, the boot is fitted with an ergonomically designed upper, energy absorption heel and flexible outsole.