If you're a frugal shopper, this Asos Open Cardigan will fit the bill. It's a popular choice, while not very expensive. Another strong contender for your wardrobe is this Open Cardigan. While the price of this piece is rather reasonable, it will definitely attract a lot of attention. You might also want to consider this Neiman Marcus Open Cardigan. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.