If you're on a thrifty mission, look at this Columbia Raincoat. It's a great product for a reasonable price. Another savvy option is this The North Face Raincoat. While the price is competitive, be sure that this product will become a wonderful addition to your wardrobe. You might also want to consider this Topshop Raincoat. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're willing to splurge, then what you're looking for is this Burberry Down Vest. It's more expensive but worth your money. While you're at it, also have a look at this Moncler Padded Vest. Yes, this item is expensive, but it does not mean it's not worth it. In this price range, you can also consider this Fendi Cape Coat. You won't regret the money spent!