The Synik 30 is our bestselling everyday travel backpack, designed to do –and fit– it all. It has many of the well-thought out features of our original Synapse:   5 exterior front pockets with independent volume Interior, banded open-top pocket Comfortable, durable, edgeless shoulder straps Removable sternum strap and waist strap Webbing loop on exterior bottom of bag to hook items on the outside Meets the personal item size requirement on most airlines Generally fits folks between 5'6" and 6'6" comfortably  Plus, we added more features to the Synik: Main compartment with full clamshell zipper opening Two-point access suspended laptop compartment, fits up to 16” Macbook Pro  Fully integrated, yet removable, internal frame Rolling luggage handle pass-through pocket Padded grab handle and bottom