The Afar Backpack is 34 litres, which is an ideal size for a day bag. Most of the time I just have my laptop and power cord, camera, a folder, and a water bottle. The extra capacity is useful for weekend trips, or for extra carryon space when I am flying. Afar Backpack by Eagle Creek (My Review)
REI Up Lode Pack
Whether you’re on your daily commute or an overseas vacation, this well-organized daypack will carry your laptop, tablet and other essentials in comfort. REI Up Lode Pack
The North Face Surge Backpack
The 33-litre Surge backpack is constructed of hyper-durable ballistics nylon and crafted with a padded haul handle on the exterior. Features a front organizational compartment, a larger main compartment, and a 15″ laptop compartment that zips completely open and lays flat to meet TSA requirements. The North Face Surge Backpack
High Sierra Evolution Computer Backpack
Special built-in, high-density foam structure helps maintain the bag’s shape while minimizing weight. Large, multi compartment design, fills to 28 litres (expanded). Padded computer sleeve hold most 17″ laptops. High Sierra Evolution Computer Backpack
Timbuk2 Uptown Laptop TSA-Friendly Backpack
TSA compliant external laptop compartment on this backpack unzips and lies flat for going through security without removing your laptop. Features Timbuk2’s trademarked Swing Around Access; grab your laptop or your iPad without taking off your backpack. Timbuk2 Uptown Laptop TSA-Friendly Backpack
SwissGear ScanSmart Laptop Computer Backpack
From the maker of the geniune Swiss Army Knife comes a durable backpack by SwissGear. This versatile backpack is made for convenience and functionality, and it’s loaded with features like an easy access laptop compartment. SwissGear ScanSmart Laptop Computer Backpack SA1923