Adidas ace 163 astro turf trainers junior the adidas ace 163 astro turf trainers are ideal for wearing on indoor pitches or artificial surfaces the trainers feature a highly textured sole to ensure maximum amount of grip and allow you to move around the pitch with ease the padded ankle collar and cushioned insole ensure maximum comfort adidas branding down the side of the trainers ensures a great look trainers astro turf juniors lace up fastening padded ankle collar