Troubadour Apex Travel Backpack - Expandable Up to 42L Capacity - Black

["More room, same overhead fit: Up to 42L capacity in a carry-on-compliant silhouette. From 33L to 42L, the bag adjusts to your trip and your desired silhouette.","Flat-Pack Lid System: A fold-out lid design makes packing intuitive. Lay everything flat for quick access and wrinkle-free travel.","Travel-ready comfort: S-Shaped shoulder straps, breathable 3D mesh & airflow back panel for all-day wear. Detachable chest strap for fit and weight distribution. Hideaway straps and a luggage sleeve.","Weather-resistant build: Water-resistant fabric, zippers, and a storm flap over the laptop compartment.","Protected tech: Crashpad Cocoon Laptop Sleeve: Suspended, padded, and lined with microfibre to protect laptops up to 17” — all in a contrasting obsidian green lining for standout style."]