 The boots were originally released in black, but a version in silver/blue/yellow was released for the 1998 World Cup and a blue/black version followed soon after.All boots were made in Soft Ground (SG) and Firm Ground (FG) varieties, with the SG version using non-removable studs.In 1999, the Mercurial 2 was released in two colourways, black/blue and black/red.