Thule Subterra 2 Convertible Carry-On Bag 40L - BlackThule Subterra 2 convertible carry on is a must have for your travels, combining sleek design with adaptable features like the removable laptop attach and fold flat divider panel. Sleek, versatile, and built for the modern traveler Versatile, adaptable design Carry the bag like a duffel around your shoulder or as a backpack with the stowable backpack straps. If you're bringing your laptop, the removable attach can be used separately or to protect your