Astro turf trainers moulded stud football boots series adidas x suitable for men for use astroturf ag colour blue endorsed by gareth bale luis surez karim benzema shinji kagawa hatem ben arfa lvaro morata lucas upper materials synthetics textile shoe technology adidas techfit sprintframe non stop grip x cage lining material textile fastener lacing number of studs 21 studs convenience features sock like feel sole material polyurethane tpu fea