Columbia Davenport XTM Waterproof Omni-Heat Boots - Men's Leather Imported Techlite lightweight midsole for long lasting comfort, superior cushioning, and high energy return Omni-Grip non-marking traction rubber outsole Leather upper, Omni-Tech waterproof breathable construction Omni-Heat reflective liner. 100g insulation Average weight per pair: 1 lb. 2 oz.