The Women's Stretchdown Jacket from Mountain Hardwear will take you from trailhead to summit, and you can wear it over bases or under a waterproof shell. Stretchdown 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 goose down insulation in an ultra-engineered construction to combine warmth and movement for the full range of winter activities.