It features a unique luggage-style main compartment that opens wide and flat for easy access to your belongings. Storage: Includes a dedicated inner sleeve for a laptop up to 15 inches, multiple zippered front pockets for small items, and side pockets that can hold a water bottle. Comfort: The shoulder straps are equipped with Max Air units to provide cushioning and comfort when carrying heavy loads over long distances. Durability: It is constructed from a tough, durable canvas material to protect your gear while on the move. Capacity: Typically has a storage capacity of approximately 27 liters.