Super lightweight fabric delivers heavy duty performance on or off the mountain. Built with our ultralight ArmourLoft insulation, the men's ArmourLoft Mountain Jacket delivers extreme warmth that never weighs you down. Perfect for hitting the hill or going on a trail hike, this jacket delivers the mobility you need when tackling the mountain. It's also got a weather defying, durable water repellent finish that keeps the rain from seeping in. Light, dry, and down for anything, the ArmourLoft Mountain Jacket is a perfect example of performance gear that gives you something extra.