The Ronaldo 1998 Mercurial Boots Are Getting A Reboot - SPORTbible
Nike Launch '98 Inspired Mercurial IX Colourway - SoccerBible
Introducing The Nike Air Max Mercurial '98 FC • KicksOnFire.com
Nike Launch '98 Inspired Mercurial IX Colourway - SoccerBible
Nike Mercurial Superfly IV Heritage iD FG Ronaldo R9 Nepal | Ubuy
Nike Air Max Mercurial R9 98 QS Unboxing - FOOTY.COM - YouTube
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.