J.Crew offers the Eastpak Floid Laptop Backpack in Black Denim for $75. Apply coupon code "48HOURS" to drop it to $39. Plus, J.Crew Rewards members bag free shipping. (Not a member? It's free to join.) That's $36 off and the best price we could find. It features adjustable straps, several pockets, and a padded laptop sleeve. Deal ends December 5.