The North Face - M Fortress Peak GTX (Wheat T/Fossil Ivory) - Men's: One-piece full-leather GORE-TEX boot suitable for three- to five-day treks carrying loads of up to 50 lbs. GORE-TEX waterproof, breathable membrane. 2.0-2.2 mm. waterproof Nubuck leather upper. Seam-sealed construction. AgION anti-microbial lining. Molded rubber toe cap. Lateral medial support system. Northotic ergonomically-designed, multidensity footbed with AgION anti-microbial top sheet. Speed-lacing metal hardware with instep lace lock. Gusseted tongue. Dual-density PU midsole. Heel X-2 cushioning. TPU shank plate with articulated forefoot flex notches. Exclusive Vibram outsole. Weighs 3 lbs. (1390g.) per pair.