For something in the middle of the price range, why not check out this John Varvatos Hat. While the price is very reasonable, this piece is an easy wardrobe update. Also consider this John Varvatos Beanie Hat. It's an attractive option both price and quality-wise.
If you have enough to afford it, then you absolutely must check out this John Varvatos Beanie Hat. This piece seems expensive, but it's well worth it.