If you can’t spend much, this Patagonia Gilet will fit the bill. It's a foolproof choice, while not very pricey. Another nice option is this Gilet. While the price is not too high, be sure that this item will become a valuable addition to your wardrobe.
If you want to splurge, then you absolutely must check out this Moncler Gilet. This item seems expensive, but it's worth it. While you're at it, also have a look at this Moncler Gilet. Yes, this item is expensive, but it does not mean it's not worth it.