The 2014 World Cup Has Balls—Officially
Six symmetrical, propeller-shaped, interlocking panels comprise the ball's polyurethane surface, which is thermally bonded to make it waterproof. Brazuca borrows its insides—latex bladder, carcass, and foam layer—from balls that have already proven ...
World Cup 2014: Brazuca and the history of the match ball
Brazuca: The Official 2014 FIFA World Cup Ball
Adidas unveils Brazuca ball for World Cup