If you're on a thrifty budget, consider purchasing this IRO Oxford Shirt. It's a wonderful item for a reasonable price. Another strong contender for your wardrobe is this IRO Shirt. While the price of this product is competitive, it will surely attract a lot of attention.
If you can afford it, then you absolutely must check out this IRO Classic Shirt. This piece seems costly, but it's top quality. While you're at it, also have a look at this IRO Shirt. Yes, this item is expensive, but it does not mean it's not worth it.