By no means is this type of ball similar to a typical soccer ball. For starters, instead of air, its bladder is filled with foam. In this case, the ball has less bounce and is heavier in order to facilitate its purpose; meant to be used on a hard surface indoors. This size 4 ball may also have suede castings which help to stabilize the ball on a slippery floor.
With all of those accolades, you might be a bit surprised that this is only rated as the best training soccer ball we reviewed rather than the best performing. For the most part, those questions are warranted as the first two layers of this soccer ball are made out of great materials. The casing is made of TPU, which provides a solid amount of durability, but it is the lining that stands out. With both polyester and EVA, this ball is easier to kick for longer periods without suffering from fatigue.
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