If you're looking for something in between pricewise, why not take a look at these Wolford Socks. While the price is very reasonable, this item is an easy wardrobe update.
If you have enough to afford it, then you absolutely must check out these Prada Socks. This piece seems costly, but it's well worth it. While you're at it, also have a look at these Falke Socks. Yes, this item is expensive, but it does not mean it's not worth it. You might also want to take a look at these Vetements Socks. You won't regret the money spent!