Staples offers the Samsonite Tectonic Backpack in Black/Olive or Black/Blue for $29.99. Plus, Staples Rewards members bag free shipping. (Not a member? It's free to join.) That's $2 under our mention from a month ago, a current low by $15, and the lowest total price we've seen. It features a padded compartment that fits most 15.6" laptops, zippered front stash pocket, air mesh padding, and adjustable shoulder straps. Deal ends June 13.