The Shellista II Mid Boot makes stepping out into the winter streets a little more manageable. The North Face loaded these boots with PrimaLoft Silver Eco insulation, so our toes stay toasty on our commute. The upper's waterproof nubuck leather and TPR shell are smooth, supple, and totally impervious to puddles. Details Fashionable and functional snow boots for braving winter weather Waterproof nubuck uppers keep your feet high and dry PrimaLoft Silver Eco insulation protects from icy temperatures Waterproof TPR lower for braving semi-frozen slush and puddles Rubber soles designed for maximum grip in treacherous conditions Temperature-sensitive lugs adapt to conditions as needed