He'd have had those done well in advance of finding out he wasn't in the squad. No offense, but people are just looking too hard for things to mock him for now
Probably true but it's not like he has one pair of boots. He definitely would have asked the kitman to give him those specifically when getting dressed to go out for the ceremony.
If you're not fit to play, come out in a suit. No one will look down on you for doing it.