It's a backpack, it's a tote, it's the Marmot Urban Hauler Medium Bag. There's really no reason not to carry this on your person at all times--you never know when there's going to be cargo to load! With a top-cinch main compartment with internal organization, this is the most tech tote of all times. Time to mount a city bike to get home with your treasures?--wear it as a backpack and keep on moving!