If you can’t spend much, your best bet is this Takeshy Kurosawa Overcoat. It's a great product, while not very expensive. Another nice option is this Gran Sasso Waistcoat. While the price is rather reasonable, be sure that this piece will become an excellent addition to your wardrobe. You may also want to look at this Waistcoat. This item is not expensive either, but it will make a difference in your wardrobe.