A mid-weight, waterproof, leather, hiking boot for moderate to rugged terrain with light/moderate backpacking loads. The reincarnation of the classic mid-duty leather hiking boot. The Thunder II has been updated with a Vibram Impact Brake Systemr sole and a foot cradling Trailon midsole for supreme protection and cushion on the trail. The molded rubber heel stabilizer gives excellent ankle support on treacherous terrain and the 1.8mm Nubuck leather repels water and protects your foot from the elements. Specs: a WEIGHT: 19.05 oz 540 g a LAST: Womens Trango 2 a CONSTRUCTION: Board Lasted a UPPER: Nubuck Leather/ Cordura/ Molded rubber heel reinforcement a LINING: Gore-Tex a INSOLE: 4mm TrailFlex w/ half steel shank a MIDSOLE: Trailon a SOLE: Vibram Hiking w/ Impact Brake System