The Women's SHELLISTA IV Tall Boots from The North Face are tech-inspired and look the part in city winters. The PrimaLoft Insulation Eco fills the boot to keep you warm on cold days. The leather and wool uppers are waterproof and salt-resistant for protection in the snow. Lugged soles grip in slick conditions. The durable TNF winter grip rubber outsole and IcePick temperature-sensitive rubber lugs keep you stable on icy surfaces.