If you're not planning on spending much, this St. John Poncho will fit the bill. It's a great choice, while not very expensive. In this price range, you can also check out this St. John Cardigan. It's an item you'll fall in love with which also doesn't cost too much.
If you're looking for an item in the middle of the price range, you're in luck with this St. John Cardigan in stock and waiting for you. You are guaranteed to fall in love with this item. It's also worth taking a look at this St. John Turtleneck. This item is ultra popular and, just as importantly, not very expensive.