The Patagonia 3L Stealth Switch Pack is a fly fishing pack, designed to work as a lightweight, unobtrusive chest pack, a minimal hip pack, or be clipped to another pack to add versatile carrying capacity. Features include hemo and zinger docks on the sides of the pack, a fly patch on the face, multiple lash points to keep essentials close, an embedded magnet on the pack front, and corrosion-resistant zippers. Two zippered stretch pockets on the pack face, one zippered pocket on the back, and a roomy, zippered main pocket easily accommodate a large fly box.