Get back to nature but don't leave your comfort zone behind. With a Sierra Designs Jackets you'll be as warm as toast and jam. Hi-tech features such as Polartec®, Barricade™ and DryZone™ wrap you in a warm, dry cocoon of comfort. Sierra Designs Jackets use only the latest in performance fabric and lightweight material, keeping you in the zone. Let nature rage on while you enjoy the spectacle from inside your Sierra Designs Jacket.