The Columbia Expeditionist Extreme men's winter boots are built for harsh winter conditions. Take on snow and ice with confidence thanks to their grippy outsole, and there is no need to fear the rain or the slush with the OutDryTM waterproof construction. Plus, with 400 g of insulation and thermal reflective lining, your feet will stay cozy warm. From your commute in the city to the weekend adventure out of town these boots have the versatility, comfort and performance to handle the journey.