The Columbia Bugaboot Plus III XTM Omni-Heat Winter Boot keeps your feet warm and comfortable during a variety of cold-weather activities. Waterproof and fully seam-sealed, the upper is constructed of a combination of leather, nylon, webbing, and metal hardware. The boot is packed with 600 grams of Omni-Heat insulation for warmth in temperatures as low as -25°F/-32°C. The Omni-Heat reflective lining utilizes little silver dots to reflect and retain body heat and help regulate body temperature. The Techlite shell delivers lightweight protection and greater flexibility. The full-length Techlite midsole provides long-lasting comfort, superior cushioning, and high energy return. The nonmarking Omni-Grip rubber outsole yields reliable traction over a variety of rugged terrain. The lace-up front closure ensures a secure, personalized fit. Weight: 2 lbs. 14 oz. Medium width. Imported.