List of Features below is taken from Osprey Webiste. - this is the best backpack i have ever had, only had it for a couple of months, practically in the exact same condition as when I first got it. Just needed to upgrade to something bigger for my needs. Detachable cargo bag holds everything you need for your travels, and the daypack keeps your essentials safe and secure Daypack has a rear-panel zip to main compartment, which allows access even when paired with the cargo bag Hidden zippered pocket behind shoulder harness of daypack offers secure storage for passport, tickets, wallet, phone and other valuables Daypack has 2 water bottle pockets and a padded laptop and tablet sleeve (fits laptops up to 15 in.) Top and side padded handles on cargo bag allow for comfortable carry by hand Liquids pocket at top of cargo bag is large and easy to access Upper and lower external compression straps keep contents from shifting inside the cargo bag and can be used to secure extra items to front if needed Dual internal compression straps with fabric wings keep clothes neat inside cargo bag Side-opening main compartment has a tough YKK zipper with lockable sliders for extra security (lock sold separately) Zippered mesh pocket on inside of front flap Shoulder-carry strap tucks away into liquids pocket