The Ronaldo 1998 Mercurial Boots Are Getting A Reboot - SPORTbible
Nike Mercurial R9 98 Vintage soccer cleats worn by ronaldo luiz
I believe these are the mercurial r9 from 1998. I remember having a pair with the same colorway but without cleats. For indoor soccer I believe but can't find any info online.
NIKE R9 Ronaldo World Cup France 1998 Nike Mercurial Vapor XV - MERCURIAL VAPOR IX SE -- - YouTube