Woot offers SwissGear 3598 Backpack Narrow Daypack, Black Ballistic, 18-Inch for $38.50 (orig. $55.80). Free shipping for Prime Members.

Product Description:
Crafted specifically for the urban commuter, the narrow SwissGear 3598 City Backpack has a deceptively spacious silhouette with an extremely low profile that is highly unobstructive on one’s back. With a front organizer panel and a designated tablet pocket, secure your devices and effortlessly retrieve them at the office or airport. Ergonomic shoulder straps and back Airflow panels accentuate its built-in comfort.

• NARROW PROFILE BACKPACK: This sporty, narrow backpack offers just the right amount of storage for your everyday items. Pack things like your tablet and campus or office supplies inside its slimline interior and minimize your day-to-day carry.
• TABLET STORAGE: Main compartment features a padded tablet pocket to ensure your device stays protected during a long commute or trip.
• UNPARALLELED ORGANIZATION: A front organizer panel embeds divider slip and mesh pockets for notebooks, ID, pens, pencil, and cords. This compartment opens into a lay-flat panel, making it easier for you to store and access essentials. Add a side zip pocket, an exterior water bottle pocket and compression straps to hold everything in place and you are ready to take on the day.
• COMFORT ON A NEW LEVEL: Slender, padded shoulder straps integrate air mesh padding for better air circulation while an Airflow back panel delivers breathability via padded, mesh panels. The shoulder straps’ thumb-ring adjusters let you adjust and hoist the pack comfortably on your back.
• DIMENSIONS: Exterior – 18” x 9” x 7”; Tablet pocket capacity – 10” x 7”; Bag volume – 15.9L