If you're looking for a thrifty option, this adidas by Stella McCartney Backpack will fit the bill. It's a fail-safe choice, while not very pricey. Another nice option is this Rucksack. While the price is not too high, be sure that this item will become an excellent addition to your wardrobe. Or you can opt for this Kenzo Backpack. This item has all the potential to become a powerful player in your wardrobe.