Columbia Bugaboot Boots 200 Grams Waterproof Brown Black 。Columbia Men\'s Bugaboot. A comfortable, waterproof winter boot built to take on those winter days. Columbia\'s combination of leather and injection molded shell insulation, along with 200 grams of insulation, bring warmth and comfort to cold wintry days. Waterproof seam sealing keeps your feet dry from wet weather. The Omni-Grip non-marking traction rubber outsole offers traction on any type of surface. Techlite lightweight cushioned midsoles deliver impact absorbing support, stability and protection. Leather Upper Injection Molded Shell Insulation Waterproof Seam Sealed 200 Gram Insulation -25F/-32C Techlite Lightweight Cushioned Midsole Omni-Grip Non-marking Traction Rubber Outsole