if you're in a thrifty mood, your best bet is this Acne Studios Puffer Coat. It's a popular piece, while not very expensive. Another wonderful option is this Herno Down Coat. While the price is rather reasonable, be sure that this item will become a valuable addition to your wardrobe. You might also want to consider this Max Mara Down Coat. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you have enough to afford it, then what you're looking for is this Balenciaga Raincoat. It's more expensive but worth your money. While you're at it, also have a look at this Moncler Down Vest. Yes, this item is expensive, but it does not mean it's not worth it. And one more item you might be interested in is this Stella McCartney Padded Vest. 'Cause you deserve nothing but all the finer things!