Mountain Khakis Alpine Utility Pant Men's. Built for maximum performance, these relaxed fit, hardworking pants will take a beating on mountain and off. The outer fabric has been double layered in high stress areas rear panel as well as knee panel to ensure they withstand the toughest elements your adventures turn up. GUARANTEED QUALITY. Durability in the mountains is essential and that's why we developed our custom made 100% cotton duck canvas with thick ring spun yarn making it one of the toughest fabrics available. At 10.4oz MK duck canvas is extremely abrasion resistant due to the double ply weave on both the warp and weft. This allows us to produce a lighter canvas without sacrificing durability. All of our fabric is pre washed and brushed before cutting and sewing. These processes produce products with unparalleled broken in comfort.