If you are on a tight budget, take a look at this Asos Raincoat. It's a popular product for a good price. In this price range, you can also look at this Duster. It's a product you'll fall in love with which also won't break the bank. You might also want to consider this Helene Berman Duster. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.