Columbia Bugaboot Original winter shoes Gentlemen Original, Omni-Heat brown/blue Leather The Bugaboot&trade; Original Omni-Heat&trade; boot by Columbia&reg; keeps you well protected on those cold winter days when you need added insulation to stay warm. Waterproof oiled full grain leather upper. Waterproof bootie construction provides a drier foot environment. 100 grams insulation with Omni-Heat&trade; reflective lining keeps your toes toasty on those cold winter days. Omni-Heat&trade; technology helps regulate your temperature by reflecting and retaining the warmth your body generates, while dissipating moisture and excess heat to keep you comfortable. Cushioned EVA footbed for supportive comfort. Techlite&trade; midsole for lightweight cushioning and comfort. Nonmarking Omni-Grip&reg; rubber compound with a winter-specific lug tread pattern for maximum traction in the snow. Imported.