Stylish and slimming, the Arctic Adventure features a 100% waterproof, 4mm neoprene upper and fleece lining for maximum insulation rated to minus 20 degrees. Built with women in mind, these boots provide a comfortable and snug fit, ideal for shoveling snow or commuting to work. Available in wide variety of colors and prints with a multi-purpose, self-cleaning outsole designed to grip even the most slippery surface, this boot is perfect for any cold weather activity. Material: Rubber.