Oboz Women's Madison Insulated Waterproof Boot Leather Upper: Waterproof nubuck leather & highly abrasion-resistant textile, 200 gram 3M Thinsulate insulation, Oboz B-DRY waterproof/breathable membrane, YKK zip closure Board lasted O FIT Insole Thermal Midsole: Dual density EVA, TPU chassis, nylon shank Outsole: Madison with Winterized Rubber W7: 15.4 oz. / 436 grams 200 gram 3M Thinsulate insulation Heel rise: 15mm Volume: Med/Low While others have co-opted the phrase winter is coming, youve been privy to this fact for quite some time. Whether youre simply accepting the inevitable or feverishly celebrating its return, the Madisons 200g Thinsulate, BFit Thermal Footbed, and winter-specific rubber outsoles will help the season feel a lot cozier. We plant a tree for every pair sold