Columbia - Titanium 5 Peaks GTX (Sandbar/Bracken) - Men's: A full protection hiking boot designed for heavy to medium load-bearing capabilities in all kinds of weather. Technically adept for rugged outdoor punishment. Waterproof nubuck leather and mesh upper. Incorporates and durably waterproof/breathable GORE-TEX bootie. Gusseted tongue. Metal speed hooks and roller bearings. Full-length molded polypropylene lasting board insole. Molded PU midsole. Vibram rubber compound outsole with aggressive lug tread pattern. Built on performance hiking last. Shoe weighs 24.8 oz. Shaft: 14". Circumference: 5.5".