If you're not planning on spending much, you'll appreciate this Cabas Rucksack. It's a great choice and a great investment. Another strong contender for your wardrobe is this Herschel Backpack. While the price of this piece is not too high, it will certainly attract a lot of attention. You might also want to consider this mint&berry Backpack. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're on a hunt for a luxury item, then you absolutely must check out this Fendi Rucksack. This product seems costly, but it's well worth it. While you're at it, also have a look at this Chloé Backpack. Yes, this item is expensive, but it does not mean it's not worth it. And one more item you might be interested in is this Valas Backpack. 'Cause you deserve nothing but all the finer things!