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 World Cup football boots from 1998 to 2010
The Original Colorway Of The Nike Mercurial R9 Is Back On The Air Max Version - SneakerNews.com
Nike Air Max Mercurial 98 Wolf Grey Racer Blue Men's - 818675-004 - US
Exclusive: Nike Mercurial Neymar 2018 Signature Boots to Be Inspired by 1998 Mercurial - Footy Headlines
Nike Launch '98 Inspired Mercurial IX Colourway - SoccerBible
Nike Mercurial World Cup football boots from 1998 to 2010
Football Boots on X: "Nike Mercurial Superfly Heritage iD first time the '98 Mercurial Vapor colorway is available on NIKEiD https://t.co/UQJr9GfnNB" / X
New Mercurial Vapor IX colourway celebrates R9's 1998 originals. - SoccerBible
Nike Mercurial Vapor 360 Elite 1998 iD Football Boot - Football Shirt Culture - Latest Football Kit News and More
Mercurial 98 - Soccer Cleats 101
Nike Mercurial FG 1998 R9
Nike Mercurial Vapor IX Fast Forward 1998 SG – Classic Soccer Cleats
The Original Colorway Of The Nike Mercurial R9 Is Back On The Air Max Version - SneakerNews.com
NIKE MERCURIAL VAPOR 14 PRO FG TURQUOZE/LIME - Soccer Plus