Women's Revel Iv Mid Polar are warm winter boots from Keen that gives you a good grip on both snow and ice. With non-marking multi directional lugs for increased traction. KEEN.DRY waterproof, breathable membrane in combination with KEEN.WARM 400g Recycled PET insulation guarantees that you stay warm and comfy in temperatures down to -40˚C. Envionmentally preferred premium leather from LWG-certified tannery. Notch in back for achilles comfort. KEEN.POLAR Traction tested on wet and dry ice. Fibre glass on polar traction throughout whole outsole for extra grip. Keen Women's Revel IV Mid Polar Waterproof Boot Black/Harbor Gray | Buy Keen Women's Revel IV Mid Polar Waterproof Boot Black/Harbor Gray here | Outnorth