Nike mercurial vortex mens astro turf trainers the nike mercurial vortex mens astro turf trainers are ideal for wearing on indoor courts and hard outdoor surfaces the trainers feature a soft cushioned insole and padded ankle collar to provide superior comfort and support the highly textured sole ensures you have enough traction to move effortlessly across a wide range of surfaces the trainers are completed with nike swoosh branding on the front of the trainers for a fantastic standout l