VintageProSoccer on X: "Original Retro Nike Mercurial Vapor R9 Electric Blue, these little beauties need to be put on a strikers feet. Message me for prices. #VPS #PlayUnique #Nike #vintagefootball #Mercurial #R9
Nike Mercurial Vapor II R9 Football Boots Size 11 | eBay
Ronaldo R9 - Nike Mercurial Vapor III R9 (très rare) - 2006 - Football - Catawiki
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 Mercurial Vapor III R9 Blue SG – Classic Soccer Cleats
Nike Mercurial Vapor R9 II & III - Football Boots Vault - SoccerBible
Nike Mercurial Vapor I Talaria Indoor TF R9 Ronaldo Blue Cleats Elite 7 8 40 8.5 | eBay
Nike MV Mercurial Vapor III R9 : Size 9 US : Blue : Soccer | eBay