If you haven't yet noticed, backpacks are no longer just a seasonal Back to School accessory. With an assortment of colors, prints, textures, and shapes to play with, it's only fair that non-students get to share in the fashion fun too. Aside from their obvious cuteness, they're also super functional. The ability to just throw your stuff in and go hands-free - it doesn't get much better than that. We've culminated some of our favorite backpack street style sightings below, check 'em out!