The Luminary 15 Ultralight in the overhead compartment or

in the overhead compartment or under the seat in front of you

and also gets squeezed down to almost nothing when the Top Pack is zipped onto the main bag (you've been forewarned)

45L carry-on travel backpack that combines style with ultimate functionality

shoulder bag

To install the USSW on your Café Bag or similar bag:

The Luminary 15 Ultralight in the overhead compartment orThe Luminary 15 (L15) is the bigger sibling to our popular Luminary 12 (L12) backpack. To better fit taller and or broader folks, we took the L12 and stretched it to be taller and a tad wider. We also lengthened and adjusted the contour of the shoulder straps. Otherwise, feature for feature, the L15 and the L12 are the same, so we ask in advance for your forgiveness if the product description below seems a bit familiar. Like we said, the Luminary 15