Adidas ace 164 astro turf trainers junior the adidas ace 164 astro turf trainers are ideal for youngster to wear on indoor pitches and artificial surfaces the trainers benefit from a highly textured sole that allows for grip across a wide range of surfaces and allow them to go past players with ease the trainers are finished off with the classic three stripes from adidas down the side of the trainers for a great look trainers astro turf junior lace up fastening padded