The North Face Shellista III Mid Boots. Designed to be streamlined without compromising cold-weather protection, these waterproof, mid-calf, lace-up boots are ready to take winter by storm. Upper: Waterproof, premium-leather upper. Premium wool and suede details. Waterproof construction. 200 g PrimaLoft® Insulation Eco. Women-specific, injection-molded, waterproof TPR shell. Sole Unit: Durable TNF Winter Grip® rubber outsole. IcePick® temperature-sensitive rubber lugs for increased traction. Imported.