Nike Mercurial Vapor XI Astroturf Trainers - Electric Green/Black/Flash Lime/White - Kids Designed for speed on turf surfaces, the Nike Jr. Mercuria lX Vapor XI (TF) Turf Kids' Football Boot provides locked-down support with a lightweight feel. Details: • Embossed horizontal ridges help increase ball control • EVA cushioning in the heel for lightweight comfort • Treading on rubber outsole is tuned for turf surfaces • Low-profile toe box helps you get under the ball • Synthetic Leather