If you can afford to spend a little more, consider purchasing this Lanvin Sleeveless Blazer. While the price is very reasonable, this product is an easy wardrobe update.
If you're looking to purchase a designer item, then what you're looking for is this Lanvin Blazer Jacket. It's more expensive but worth your money. While you're at it, also have a look at this Lanvin Jacket. Yes, this item is expensive, but it does not mean it's not worth it.