Inspired by our original Aeronaut, the Techonaut — two sizes: 30L (you are here) or 45L — is a maximum-size airline carry-on backpack that combines style with ultimate functionality. Features include:  Three carry methods: backpack, shoulder bag, and duffel Skeleton back panel for improved airflow Top-loading, suspended laptop compartment with exterior access, fits up to 16” laptops 1 spacious main compartment, 1 large end pocket, and 3 quick-access exterior pockets 6 O-rings for optional organizational bags and accessories Breathable, supportive back panel for long comfortable as a backpack Comfortable, durable, edgeless backpack straps that can be tucked away when needed Rolling luggage handle pass-through pocket Meets carry-on requirement for most North American regional commuter jets and intra-European flights