Neither does Vietnam (one of the places Levi’s are produced nowadays) and the US, the pants are imported and duties are levied regardless of whether the pants are sold in Europe or the US.

I’m sure sales tax is less in pretty much every US state compared to European countries, but it still doesn’t explain a $60 difference in price. It’s largely different price points based on different locales in accordance with what consumers are willing to shell out for the product.