If you are on a budget, this Eileen Fisher Open Cardigan will fit the bill. It's a great choice, while not very pricey. Another good option is this Fox Open Cardigan. While the price is rather reasonable, be sure that this piece will become a great addition to your wardrobe. You might also want to consider this Open Cardigan. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.