Ooooh I think you need to look back to when they first came out. They were nowhere near that price (try $395), unless you are thinking last season/year perhaps? Canvas double sole were $525 and remain so, and single sole leather were that before the double soles came out (thus many SA's hiding them to sell the more expensive double soled shoes for $595).
Yes sorry I shouldn't have said always. I meant last year and now for single