Nike mercurial vapor astro turf trainers junior the nike mercurial vapor astro turf trainers are ideal for wearing whilst playing to offer maximum comfort and support at all times the trainers feature full lace up fastening for a secure fit whilst the padded ankle collar and cushioned insole ensure a comfortable fit the trainers are finished off with nike swoosh branding for a great look trainers astro turf textured grip lace up fastening padded ankle collar cushion