<, ul>, <, li>, Waterproof Nylonmaterial<, /li>, <, li>, Seam Sealed Waterproof Construction<, /li>, <, li>, Fixed 200B 3M&trade, Thinsulate&trade, Insulation<, /li>, <, li>, Moisture Wicking Brushed Nylon Lining<, /li>, <, li>, Padded Collar & Waterproof Gusset Tongue<, /li>, <, li>, Removable Kamik Comfort Antibacterial Footbed<, /li>, <, li>, Waterproof & Flexible Synthetic Rubber Shell<, /li>, <, li>, Kamik&rsquo, s DEFENDER Synthetic Rubber Winter Outsole<, /li>, <, /ul>, <, br />, <, strong>, 3M&trade, Thinsulate&trade, Insulation<, /strong>, <, br />, Developed by 3M, this innovative microfiber insulation provides a large surface area that traps body heat. & it delivers warmth nearly two times more effectively than down or other synthetic insulations when equal thicknesses are compared.<, br />, <, br />, <, strong>, Seam Sealed<, /strong>, <, br />, This technology makes boots practically impenetrable to snow & moisture without adding any extra weight to the footwear. By specially treating our leathers & nylons, then using waterproof tapes & sealants to cover every seam, it&rsquo, s like feet are wrapped in a cocoon. So they stay safe & dry.<, br />,