(L-R) Members of Brazil's athletics team Daniel Chaves, Tatiele Carvalho and Ailson Feitosa present the official uniforms of the Brazilian Olympic team for the 2012 Olympic Games, in Rio de Janeiro, July 12, 2012. The event was held by Nike and the Brazilian Olympic Committee.[Photo/Agencies]

(L-R) Members of the Brazilian athletics team Daniel Chaves, Tatiele Carvalho, Ailson Feitosa, basketball player Lucas Bebe and Brazilian soccer players Muralha and Adrian present the official uniforms of the Brazilian Olympic team for the 2012 Olympic Games, in Rio de Janeiro, July 12, 2012. [Photo/Agencies]

Brazil's volleyball players present the new national team uniform for the London 2012 Olympic Games at Brazilian Volleyball Federation's training center in Saquarema, about 60 miles (97 km) east of Rio de Janeiro, May 4, 2012. [Photo/Agencies]

Brazil's volleyball players Sergio dos Santos (L), Giba Godoy and Murilo Endres (R) present the new national team uniform for the London 2012 Olympic Games at Brazilian Volleyball Federation training centre in Saquarema, about 60 miles (97 km) east of Rio de Janeiro, May 4, 2012.[Photo/Agencies]