Mountain Hardwear Men's Stretchdown HoodyStretchdown weaves pockets of down insulation from a single stretch fabric, giving you freedom to move. A durable material blend comes together with the highest quality down insulation in an ultra engineered construction to combine warmth and movement for the full range of winter activities. From trailhead to summit, over bases or under a waterproof shell: this layer is made to mobilize. Uses: Camping, Hiking, Bouldering Exclusive stretch woven fabric