A quick inspection of the construction of the ball might help you make a quick decision. The first thing that you should look at is the panel of the ball. A soccer ball that has panels sewn together is a better choice than the ones that are glued together. The panels of a premium ball are stitched by hand while those of a lower quality are machine stitched.
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Size 5 is the official size for professional matches. Therefore, this ball is only available in this size. Do not use this soccer ball on concreted areas. Its unique rubber uses Puma Airlock Valve Technology (PAL) in order to facilitate proper airlock technology. This ball features Perimeter Balance Technology (PBT) which enables it to maintain impressive flight characteristics. https://www.youtube.com/watch?v=j2Xn84L3Kcs