The Altama 4250 USMC Certified Hot Weather Combat Boot was designed specifically for the harsh demands of United States Marine Corps. The 4250 features a tan cowhide leather upper and high-impact CORDURA nylon construction for durability. Its comfort features include drainage vents for cooling and moisture-wicking plus cushioned polyurethane midsole for cushioning support. The VIBRAM Sierra outsole provides excellent traction on both wet and dry surfaces. Whether you're preparing for a military inspection or deploying to a harsh desert climate for duty, the 4250s offer top durability and comfort. The 4250s are MCO P1020.34G compliant or Marine Corps Uniform Regulations compliant and certified footwear for the Marine Corps Combat Utility Uniform or MCCUU.