The 100% waterproof and breathable GORE-TEX liner is engineered to keep your feet dry and comfortable - even in extreme conditions. Rough out, full-grain leather upper offers serious protection and toughness and provides mildew resistance, breathability, and low water absorption. The 1000 Denier nylon upper material is extremely resistant to abrasions, tears, and scuffs, improves breathability, and dries quickly. Danner's hand crafted stitchdown construction provides a wider platform for increased stability underfoot. This construction makes the boot recraftable in Danner's Portland factory. Speed lace system for a quick, secure fit. Advanced lug design Vibram 360 outsole with Dri Ice remains flexible even in extreme cold for superior traction. Fiberglass shank. 8" height.