Manufactured by Asolo, utilizes Perwanger water-resistant plus high-tec polyamide fabric. Full grain leather upper. Inner lining is leather plus cambrelle, with board-lasted construction made of "Asoloflex," which is very stiff. Sole is Vibram Bernina plus PU, suitable for use with automatic crampons. New speed lacing system, typical weight 1.12 grams (4.14 lbs.). Sizes 7-13, color black. Backpacker says, "tough-as-nails boot.. excellent support, durability, and waterproofness.. ideal for mountaineering."