The Adidas Jabulani is the official match ball for the 2010 FIFA World Cup. The ball, created by sports manufacturer Adidas, was developed at Loughborough University in the UK, and was unveiled in Cape Town, South Africa on December 4, 2009.Jabulani means "rejoice" or "bring joy and happiness" in Zulu.
The ball was also used as the match ball of 2009 FIFA Club World Cup in the United Arab Emirates, and a special version of the ball, the Jabulani Angola, was the match ball of the 2010 African Cup of Nations. This ball was also used in the 2009-10 Bundesliga, the 2010 Clausura Tournament of Argentina as well as the 2010 MLS season in the USA and Canada in the league's colors of blue and green.
Technical specification
| FIFA Approved standard[3] | Jabulani measurements[3] | |
|---|---|---|
| Circumference | 68.5–69.5 cm | 69.0 ± 0.2 cm |
| Diameter | ≤ 1.5% difference | ≤ 1.0% difference |
| Water absorption | ≤ 10% weight increase | ~ 0% weight increase |
| Weight | 420 - 445 g | 440 ± 0.2 g |
| Rebound test | ≤ 10 cm | ≤ 6 cm |
| Loss of pressure | ≤ 20% | ≤ 10% |
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