Warmth That Moves with You. The Stretchdown Jacket is designed for those who refuse to let winter slow them down. Engineered with Stretchdown™ technology, this jacket weaves pockets of down insulation from a single stretch fabric, allowing for unparalleled freedom of movement. Whether you're rock climbing, hiking, or simply exploring the outdoors, this jacket's blend of durable materials and 700-fill RDS®-certified down insulation ensures you stay warm without sacrificing mobility. With practical features like a two-way center front zipper, zippered chest pocket with a media port, and secure hand pockets, this jacket is built to perform from trailhead to summit, or as a versatile layer under a waterproof shell.