If you're not planning on spending much, this The Row Jacket will fit the bill. It's a popular choice, while not very expensive. In this price range, you can also take a look at this The Row Coat. It's also a popular item and won't break the bank.
For something in the middle of the price range, look no further than this The Row Trench Coat. This item won't break the bank, but absolutely essential in your wardrobe. It's also worth considering this The Row Bomber. This product is ultra popular and, just as importantly, not too pricey.