If you're a thrifty shopper, your best bet is this Jeremiah Shacket. It's a popular piece, while not very expensive. In this price range, you can also look at this Topman Shacket. It's a product you're bound to love which also doesn't cost the earth. You might also want to consider this Prana Shacket. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.