Nike mercurial victory cr7 junior astro turf trainers the nike mercurial victory cr7 junior astro turf trainers are ideal for wearing when playing indoors the trainers feature full lace up fastening for a secure fit whilst the padded ankle collar and cushioned insole ensure unrivalled comfort the trainers feature an astro turf sole to provide adequate grip when moving around the pitch junior trainers astro turf sole lace up fastening padded ankle collar cushioned insole