Sweaters from shopbop.com
If you're looking for an affordable item, this Zoe Karssen Short Sleeve Sweater will fit the bill. It's a popular choice, while not very pricey. In this price range, you can also check out this Hat Attack Poncho. It's also a popular item and won't break the bank. You may also want to look at this OAK Poncho. This item is not expensive either, but it will make a difference in your wardrobe.
If you can afford to spend a little more, we recommend opting for this Anine Bing Short Sleeve Sweater. While the price is very reasonable, this piece is an easy wardrobe update. It's also worth taking a look at this Adrienne Landau Poncho. This piece is extremely popular and, just as importantly, not very expensive. Consider this Mackage Poncho too! Great value for your money.
If you can afford to splurge, we recommend looking at this TSE Poncho - a great luxury choice. While you're at it, also have a look at this Cédric Charlier Cropped Sweater. Yes, this item is expensive, but it does not mean it's not worth it. Why not also look at this DKNY Oversized Sweater. You won't regret the money spent!