If you're not planning on spending much, your best bet is this Trina Turk Trench. It's a popular product, while not very costly. Another strong contender for your wardrobe is this Columbia Trench. While the price of this item is rather reasonable, it will surely attract a lot of attention. You may also want to look at this Laundry by Shelli Segal Trenchcoat. This item is not expensive either, but it will make a difference in your wardrobe.