The Kamik Men's Iceland Winter Boots combine a great look with amazing performance. They have a seam-sealed waterproof PU coated leather upper. It has 200g of 200B 3M Thinsulate insulation for amazing warmth. They have removable comfort EVA insole with natural and non-toxic odor-eliminating Cleansport NXTTM treatment. The DEFENDER 2 outsole offers heightened weather stability and traction. Channels easily disperse snow, mud and water.