If you're in a thrifty mode, this Thierry Colson Oxford Shirt will fit the bill. It's a popular choice, while not very expensive. Another nice option is this Equipment Shirt. While the price is rather reasonable, be sure that this piece will become a worthy addition to your wardrobe. You may also want to look at this Simone Rocha Shirt. This item is not expensive either, but it will make a difference in your wardrobe.