Nike mercurial vortex fg childrens football boots these nike mercurial vortex fg football boots are ideal for any youngster wanting to play like their favourite superstar the boots feature lace up fastening and adjustable strap that sits across the top of the boots the firm ground moulded studs allow for exceptional grip on firm grounds and artificial surfaces football boots childrens lace up fastening with adjustable strap cushioned insole padded ankle collar fg