If you don’t want to splurge, this Button-Down Shirt will fit the bill. It's a foolproof choice, while not very expensive. In this price range, you can also consider this Uniqlo Long Sleeve Shirt. It's also a popular item and won't break the bank. You may also want to look at this Long Sleeve Shirt. This item is not expensive either, but it will make a difference in your wardrobe.