The short answer - a lot. This backpack has a 25L capacity. We’ve designed it with seventeen separate storage compartments. There are pockets for devices like laptops and AirPods, two water bottle pockets - one inside, one outside - an external quick access pocket with an attached magnetic keychain, multi-purpose stretch mesh pockets, zippered pockets and more. It’s also got many straps that are perfect for securing yoga mats, tripods, parkas or any other equipment you need for your next extraordinary adventure.