The Osprey Daylite Expandable Travel Pack is a lightweight, adaptable travel backpack crafted for those who value flexibility and efficiency. Perfectly sized to fit the majority of international airline personal item requirements, this pack maximizes capacity without sacrificing compactness or comfort. Its expandable main compartment adds an extra 6 liters (2 inches) of internal space, allowing you the option to convert the pack from a streamlined personal item into a standard carry on for longer trips or when extra packing room is needed. The AirScape? backpanel offers ventilated comfort with mesh-covered, die-cut foam padding to keep your back cool and supported throughout your journey. A dedicated tech sleeve safeguards laptops or tablets, while the front zip pocket is designed to hold TSA-compliant 3-1-1 liquids bags and other quick-access essentials. Two expandable stretch water bottle pockets ensure hydration stays within reach. Additional features include a luggage pass-through sleeve, which slides over your wheeled luggage handle, trolley handle pass-through, adjustable backpack straps and a sternum strap for added carrying support. Constructed with durable, high-quality materials, the Daylite is the ultimate personal item travel companion. A bluesign? PRODUCT designed to meet the needs of modern travelers.