The Columbia Men's Crestwood Mid Waterproof Hiking Boot is built to let you tackle any trail. Starting with the Omni-Grip non-marking traction rubber, the boot offers superior traction while the Techlite lightweight midsole provides long lasting comfort, superior cushioning, and high energy return. FeaturesMidsole: Techlite lightweight midsole for long lasting comfort, superior cushioning, and high energy return.Outsole: Omni-Grip non-marking traction rubber.PROFILE: A lightweight and durable waterproof shoe designed for multiple activities on the trail.Upper: Omni-Tech waterproof breathable construction.Upper: Combination upper featuring leather, mesh and webbing.Weight: 14.5 oz / 412 g