The Staheekum Men's Insulated 3M Thinsulate Defender Repellent Snow Boot in BROWN size 11 Brand NEW in box! Waterproof Shell Outsole Cold Rated -20 degrees Defender Repellent to keep your boots dry and stain free. It features a rubber upper material, insulated with 3M Thinsulate insulation. This snow boot is ideal for keeping your feet warm and protected during winter weather conditions.