Nike mercurial vortex cr7 fg football boots junior the nike mercurial vortex cr7 fg football boots are ideal for wearing on firm ground surfaces or even indoor artificial pitches and have any youngster playing like the superstar himself the boots feature a full lace up fastening to ensure a comfortable fit whilst the padded ankle collar and cushioned insole provide unrivalled comfort the boots are finished off with nike swoosh and cr7 branding for a standout look when on the pitch fo