If you're a frugal shopper, your best bet is this Mi-pac Rucksack. It's a terrific piece, while not very expensive. Another strong contender for your wardrobe is this Eastpak Backpack. While the price of this item is rather reasonable, it will definitely attract a lot of attention. Or you can opt for this Fiorelli Backpack. This item has all the potential to become a powerful player in your wardrobe.