How cheap are a pair of trousers?

Under 20 euros at Zara for a pair of linen/cotton trousers. 19.90 to be exact. As far as I remember these were around 29 euros last year.

The trousers are made in Turkey and the reduction seems to have everything to do with the strength of the euro. While it's hurting the amount of money I get (I get paid in pounds) it is making goods imported into the EU from outside that much cheaper. 

These trousers were made in Turkey and Zara's Turkish lira costs have decreased around 30% over the last six months.  So I am winning on one side of the equation and losing on the other ...