Samsonite via eBay offers the High Sierra SBT Slim Backpack in Slate or Olive for $27.99 with free shipping. That's tied with our mention from a week ago and the lowest price we could find by $62. It measures 18.5" x 12.5" x 7" and features three zippered compartments, a padded laptop sleeve, organizer, two mesh water bottle pockets, and airflow back panel.