For something in the middle of the price range, look no further than this Burberry Coat. This item doesn't cost too much, but absolutely invaluable in your wardrobe. Another nice option is this IRO Coat. It's an attractive option both price and quality-wise. Alternatively, opting for this Band Of Outsiders Coat is a good choice as well!
If you're looking at it like an investment piece, then you absolutely must check out this Proenza Schouler Coat. This product seems costly, but it's worth it.