Bogs Men's Classic High Rubber Waterproof Winter Boots - The Classic boot is the perfect boot for any cold weather situation. Specifically designed to handle cold weather and any outdoor situation you may come across. It is made from durable hand-lasted rubber and features 7mm Neo-Tech insulation. Feel comfortable in temperatures up to minus 40 degrees. Has a contour fit for the best support and movement. 100% Waterproof Non-slip, non-marking self cleaning outsole Comfort rated from temperate to -40