From the bone-chilling winds of upstate New York to the bitter cold conditions of Montana the Kamik Men's Griffon Winter Boot assures steadfast protection and warmth up to -25 degrees Fahrenheit. The Griffon features a waterproof full-grain leather that fends off precipitation and slush puddles alike while the 3M Thinsulate insulation provides warmth even when wet. Additionally a boa fleece lining wicks away moisture and dries quickly and the EVA insole is removable for customizable support should you require orthotics or additional support. Not to mention the rubber outsole assures grip and rip in slick conditions.