These cozy slip-ons are a favorite for winter; providing waterproof, insulated protection against wet, conditions from your mid-calf down. Designed with waterproof suede on the exterior and an Australian shearling sheepskin-lined collar, these durable boots are insulated with 400 grams of PrimaLoft®® Eco insulation; keeping feet warm in temperatures down to -40°F. Engineered with durable TNF Winter Grip™ and Ice Pick™ technologies, these boots excel in snow, sleet, and slick conditions.