The REI Co-op Ruckpack 30 Pack is $71 off at REI. It holds a 15" laptop, ships with a raincover, and has a removable waistbelt for hiking or travel.
Shipping is free over $100, or you can choose pickup for free at many stores (members will get free shipping outright). Buy Now at REI
Features Fits a 15" laptop or hydration reservoir in a padded sleeve Includes a raincover stored in the side pocket Removable waistbelt, adjustable sternum strap, and padded shoulder straps