Whether you are jumping on a plane or heading from the gym to the office, the Aion 40L backpack gets you and your gear wherever you are going with ease. This bag is compliant with carry-on requirements for most airlines, features padded storage for your laptop or tablet, and small internal pockets for your smaller items, making travel a breeze. On the top of the bag is a removable TPU rolltop bag, allowing you to store your used gym clothes without moisture or odor traveling to the remainder of the bag.