Built for the harshest elements, innovative heat-concealing boots are crafted for protection against the coldest winter temperatures and frozen terrains. An expanded version of Artica’s iconic Mackenzie, Mammoth keeps true to its name. Reminiscent of the mountain-climbing air, this puffy take on the functional yet fashionable winter bootie is both waterproof and warm, comfy to wear, and to step into. There’s little else that could defend you from the cold that looks this stylish.