Adidas ace 163 astro turf junior trainers the adidas ace 163 astro turf junior trainers are ideal for wearing on artificial pitches or hard outdoor surfaces the trainers are constructed with a padded ankle collar and cushioned insole to ensure you remain comfortable at all times whilst on the pitch the trainers boast full lace up fastening for a secure fit and the highly textured sole ensure you have sufficient grip whilst moving around the pitch the trainers are finished off with adidas