Nike mercurial x vapor astro turf trainers childrens the nike mercurial x vapor astro turf trainers are perfect for wearing on indoor pitches and artificial surfaces the trainers benefit from a cushioned insole and padded ankle collar that allows for good support whilst the lace up fastening allows for a secure fit the trainers are finished off with nike swoosh branding and mercurial detailing for a great look astro turf trainers junior lace up fastening padded ankle colla