If you're in a thrifty mode, this Patagonia Backpack will fit the bill. It's a great choice, while not very pricey. Another strong contender for your wardrobe is this Nardelli Rucksack. While the price of this item is not very high, it will definitely attract a lot of attention. Or you can choose this Backpack - be sure you'll be making a stylish addition to your wardrobe.