Argentina's national soccer team player Lionel Messi (R) and Spanish national team player David Villa display the new F50 adiZero soccer boots during a promotional event at Montmelo circuit near Barcelona May
Argentina's national soccer team player Lionel Messi displays the new F50 adiZero soccer boots during a promotional event at Montmelo circuit near Barcelona May 11, 2010. The boots, weighing only 165 grams,