The Luminary 15 Ultralight With us so far

With us so far

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

5": we'd recommend choosing the Medium/Large size

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

(Read more about that here in our Guide To Backpack Frames

The Luminary 15 Ultralight With us so farThe 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