The Mercurial R9 – the boot that changed the industry.
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
Nike Mercurial World Cup football boots from 1998 to 2010
OG Vtg 1998 Nike Mercurial Vapor I 1 R9 Sample Cleats Sz. 7.5 Black Superfly CR7 | eBay