The Mountain pants are made for missions in remote areas during construction to late season, because it is thicker and more robust than their predecessors, the Ascent pants. The dense polyester fabric with stretch provides warmth and excellent breathability, so it will have your hard-working legs in fall and cold winter always convenient. Dynamic prevent cut material from 4-way stretch and a continuous crotch gusset that you are hindered by bundling or slipping of the material - full freedom of movement guaranteed.