White and Red Gingham Dress Shirts by Thom Browne
For something in the middle of the price range, we recommend looking at this Thom Browne Dress Shirt. While the price is very reasonable, this piece is an easy wardrobe update.
If you can afford to splurge, then you absolutely must check out this Thom Browne Oxford Shirt. This item seems costly, but it's well worth it.