These waterproof, lace-up Chilkat III all-purpose winter boots from The North Face feature an improved fit while retaining reliable Heatseeker warmth and exceptional winter grip that you know and expect from the Chilkat family. BLC-compliant leather upper and anatomically engineered, injection-molded, waterproof TPR shell. The 200 gram Heatshield Optimal Technology insulation is enhanced with a fleece lining while the Durable Winter Grip rubber outsole that has IcePick temperature-sensitive rubber lugs for increased traction. Easy flow-through laces with rustproof hardware. Style: NF0A39V6YVA.