Cortez's are famous for their narrow EVA midsole, take note of how much narrower the midsole is that the shoe upper when viewed from the heel.
Cortez's have high quality flat woven laces, make sure the weave is tight and even. Check that the lace tips are sealed in a tight plastic cap with no loose threads.
Make sure there is no excess glue showing and no lifting along the join line between the EVA midsole and herringbone outsole.
Checkout the full 27 point step-by-step guide on goVerify.it