San Marco Concor -- is there a "pocket" in non-cutout version?
The REGALe Carbon FX information page has an "i" button, that when clicked, loads a list of features. This includes "COREZONE", which is the feature referred to in the review you linked to.

On the Concor Carbon FX information page, I clicked on the "i" button but did not see "COREZONE" listed for any of them. If the feature isn't specifically listed, I think it's safe to assume that the relief zone is not there.

I checked a few different Concor models and didn't see "COREZONE" listed for any of them, but I didn't go through the entire list. If you're interested in a specific model, click the "i" button on its specific page to see if it's included.