A waterproof, 8-inch tall, boot that's engineered to navigate harsh terrain in sub-zero Arctic conditions and crafted with 400 g PrimaLoft® for adequate insulation in extreme cold. Finished with temperature-sensitive lugs that are designed for unrivaled grip and performance on ice. Bottom| Compression-molded EVA midsole Bottom| Durable TNF Winter Grip® outsole Bottom| Northotic™ 2.0 dual-density footbed with softer heel and forefoot-cushioning pads Upper| Waterproof, BLC-compliant nubuck upper Waterproof, cold-weather leather utility boot that's insulated for extreme warmth Upper| Waterproof, BLC-compliant full-grain leather upper Upper| Anatomically engineered, injection-molded, waterproof TPR shell Upper| 400 g PrimaLoft® Silver Insulation Eco recycled insulation Upper| Rustproof hardware Bottom| IcePick® temperature-sensitive lugs for increased traction Waterproof construction 400 g PrimaLoft® Silver Insulation Eco Upper| Waterproof construction for the ultimate weather protection Upper| Gaiter-compatible D-ring