A duffel or pack? Quite simply: it's both. Lightweight and water-resistant, this duffel can be carried as a two-compartment front-panel load travel pack. And it's designed around the integration of Pack-It™ Half Cubes. So pack it to the max and stay organized on the go. Oh, and did we mention it's also carry-on sized? This carry-on travel bag can be carried as a duffel bag or backpack. Up to you! Carry System features: Fully padded carry system Backpack straps detach and combine to form a single cross-body strap Backpack straps feature lash point loops and adjustable sternum strap Padded hip belt with adjustable waist strap tucks away when you're not using it Padded back panel and backpack straps feature moisture-wicking Air Mesh Easy Packing: ¾ front panel load gives full access to main compartment #10 lockable, self-repairing zippers feature finger-friendly zipper pulls Lockable 3-1-1 Pocket with organization (on 35L only) Sleeve sized to fit most 15' laptops Lockable bottom compartm