The Navigator Backpack 15L is designed to hold only the essentials while still being expandable when you need extra space. The main compartment features five mesh pockets and two zippered pockets, including an RFID security pocket. It also has a laptop and tablet compartment with a divider and double bottom for device protection. The exterior of the bag has water-repellent, tamper-proof zippers for protection and security, as well as reflective strips for visibility in the dark. When you're on the go, the external straps help you carry additional items. You'll find two external quick-access pockets and a pocket for a water bottle that can be hidden away when not in use. An outer pocket offers a concealed compartment. When traveling, you can easily slide the bag onto your rolling luggage, making it the perfect carry-on. Overall, this backpack is extremely comfortable, versatile, and ready for any adventure.