This is a great day pack for carrying all of your essential gear. 33L capacity (31.5x21x55cm) means it can work as an airline carryon as well. Constructed of tough 600D Ripstop, it is padded throughout to protect your gear. The padding also helps the pack keep its shape so you can easily access the entire interior of the pack from the zip-open top lid. Two exterior zip pockets, a mesh exterior back pocket, and a water bottle pocket also provide lots of accessibility. Interior padded laptop sleeve, ergonomic padded shoulder straps with sternum strap, padded back, top grab loop, and a 1.5" waist belt round out the great features.