With 800-fill goose down and weighing only 15 ounces, the Mountain Hardwear Men's Phantom Down Jacket combines superior warmth and lightweight compressibility for cold weather, superlight expeditions. The jacket utilizes 20D Ripstop 100% nylon, for a durable rugged exterior. Box quilt construction for superior loft and warmth. Zip handwarmer pockets keep your hands warm and your items secure. Adjustable cuffs seals out the cold. Dual hem draw cords allow you to make quick fit adjustments.