The Crossroads 35L is one of the toughest travel backpacks around
And the rack attachments range from weatherproof pannier to mobile cooler (both shown above), so it can be as professional or party as you wanna be
Aer includes their false bottom design here, though its the shallowest implementation across their lineup

Features and Benefits 600-denier polyester fabric affords durability Large main compartment with padded 16-inch laptop sleeve Front compartment includes secure zip pockets, tablet sleeve and key hook 2 water bottle pockets FlexVent suspension system with custom injection-molded shoulder straps allow for easy carrying Padded back panel with breathable lumbar panel Sternum strap 2 grab handles 360-degree reflectivity promotes visibility Front bungee system Stand-up design allows for easy loading and unloading Durable water repellent (DWR) finish helps keep gear dry Embroidered logo and metallic zipper pulls add style Specifications Strap/handle: Yes Hydration Compatible: No Product Type: Backpacks Age Group: Adults',Kids',Youth Style: School Backpacks / Book Bags Activity: Casual Bag Type: School Backpacks / Book Bags Material: Polyester Features: Water Resistant Laptop/Tablet Compatible: Yes Gender: Girls',Boys',Women's,Men's Water Resistant: Yes What's in the Box The North Face Jester Luxe Backpack

Lululemon Back to Life Sport Bottle 32oz Shine With a lid that's leak-proof and easy to open, as well as a slip-free texture, this bottle will keep your drink safe no matter what destination you find yourself in