from the site: Sometimes you need to bring your work with you, and the Terra Laptop Backpack is the perfect everyday bag to do just that. With a back slip pocket that carries up to a 14" laptop, front organizational panel, and luggage trolley sleeves—this travel laptop backpack is ideal for school days, work trips, and when you need to stay connected on the move. The bonus: you can give your laptop travel backpack the weekends off by switching out the removable laptop sleeve for its 2L hydration reservoir for hikes or outdoor weekend adventures.