Columbia Men's Bugaboot II-M Snow Boot 100% Waterproof Leather Upper Imported Rubber sole Omni-Grip non-marking traction rubber. Techlite lightweight midsole for long lasting comfort, superior cushioning, and high energy return. Waterproof leather upper. Injection molded shell. Waterproof seam-sealed construction. 200g insulation. Rated -25F/-32C.