NATION PLUS - Winter Boots - US Kamik 1898-QC.CA。Rugged and waterproof design. Ideal for cold weather. Durable traction sole. Proven to get you through the cold weather season with advanced technology benefits; the Men\'s Kamik NationPro Waterproof Winter Boot. Waterproof leather upper in a winter boot style with a round toe D-ring lace up entry for a secure fit 11 and 1/2 inch shaft height Cushioned collar with a gusseted tongue to keep out debris Temperature rated at -40 degrees Celsius/Fahrenheit Removable 200B 3M™ Thinsulate insulation for warmth Moisture wicking lining with a cushioned comfort footbed SNOWTREAD synthetic rubber traction outsole