Amazon.com | Columbia Men。•    OMNI-TECH: proprietary technology provides air-permeable protection that\'s waterproof and breathable, keeping elements out, at the same time allowing the inside to breathe     •    OMNI-HEAT: patented Heat Reflective lining is the ultimate heat management system for outdoor performance. The metallic dot-patterned inner lining is designed to retain heat, while the breathable lining dissipates moisture     •    URBAN STYLE MEETS FUNCTIONAL BOOT: The perfect combination of style and function, framed with metal hardware and full laced-up support     •    TRACTION AND COMFORT: Featuring indoor-friendly Omni-Grip, a non-marking outsole, this boot provides sure-footed traction, while the lightweight TechLite midsole with superior cushioning     •    BUILT TO LAST: highest quality materials, expert stitching and craftsmanship Description - waterproof-breathable construction - 200g insulation - Omni-Heat thermal-reflective lining to retain warmth - TechLite midsole and a rubber outsole that grips tight to the ground - Flexible Genuine Leather upper, that’s both waterproof and breathable - Mountaineering based metal lace hardware for proper ankle support - FIT: true-to-size fit.