That's what I thought but on the contrary, Rakuten is full of them in all sizes, and they're approx. 150 bucks cheaper than the 141/641, or any of the Perfectos for that matter. Other than that, these jackets are made from the same heavy steer Schott is using for their US stuff and are the most authentic looking CR's currently being produced (other than the J100 repros, but these are way out of my price range).
I had a look. Are they pretty heavy? That might put me off. They seem similar to the CAF1