TPU creates a sturdy, dependable frame for this pair of winter-weather hiking boots. Within it, an abrasion-resistant sole gives you the power to traverse difficult terrain, a waterproof outer blocks out the elements, and a BDry™ membrane offers a second degree of moisture protection. Upper is made out of waterproof nubuck. Fabric lining. Insulated with 200g 3M™ Thinsulate™ insulation. BDry™ Breathable Membrane keeps moisture out. Cushioned footbed creates a supportive feel. With a gaiter D-ring. Granite Peak rubber outsole, with a molded toe cap and heel kick, offers abrasion resistance. Lace-up closure. Nylon shank gives you better stability. TPU chassis. Imported.