The report identifies three World Cup eliminations in which Portugal wore their white alternative strip:
The same report also points to reserve-colour exits against Spain at Euro 2012 and Belgium at Euro 2020. Five high-profile setbacks are enough to make the superstition part of the conversation, particularly before another single-elimination match.
A shirt cannot determine a result, but tournament football amplifies every symbol. Portugal’s white kit has become attached to three World Cup exits across 2010, 2018 and 2022, giving supporters a clear pattern to remember even if it offers no tactical explanation.
The real danger is the attention it creates. Portugal’s preparation must focus on Croatia’s compact shape, transition threat and set-piece quality rather than on a supposed curse. With Cristiano Ronaldo reportedly leading the side again, the team will already face intense scrutiny; an avoidable narrative adds another layer.
For Croatia, the switch to dark blue creates its own visual break from tradition, but the pressure will fall more heavily on Portugal. The white shirt has become a symbol of past disappointment, and only a result can change that association.
Portugal’s next test is therefore psychological as much as tactical. If the report’s kit detail is confirmed, victory over Croatia would not merely send them into the next round-it would give the white shirt a new tournament memory.