If you're in a thrifty mode, this KIOMI Backpack will fit the bill. It's a fail-safe choice, while not very pricey. Another great option is this Backpack. While the price is not too high, be sure that this product will become a great addition to your wardrobe. You might also want to consider this Reclaimed Vintage Backpack. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
For something in the middle of the price range, look no further than this Frye Backpack. This item won't break the bank, but definitely deserves a place in your wardrobe. It's also worth considering this Will Leather Goods Backpack. This product is extremely popular and, just as importantly, not too pricey. Alternatively, opting for this Fossil Backpack is a great choice as well!