Staples offers the JanSport City Scout 15" Laptop Backpack in Coral Dusk/Aqua Dash for $18.09. Plus, Staples Rewards members qualify for free shipping. (Not a member? Click here to sign up for free.) That's the lowest total price we could find in any color by $12. It features an internal sleeve that fits most 15" laptops, zippered front stash pocket, string zipper pulls, and padded shoulder straps.