On TW’s page for the Rafa Foundation, they are selling two of his personal cage 3’s. The heel cup looks odd but I can’t really tell. Also the foam looks different, and no zoom branding.
Acapulco/Miami shoe
Australian Open 2019 shoe...
Interesting look at Nadal’s Cage 3
Acapulco/Miami shoe
Australian Open 2019 shoe...
Interesting look at Nadal’s Cage 3