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
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.
I bought three and used them for juggling, shooting practice and kicking against a wall. I juggled 90,000 times in 3 months, and shot many times on goal and kicked against walls. These are very durable. I look for durability in practice balls and these are superb. I wonder if Wilson has the newer cover pattern with the same internal structure in any model of ball. It would be wise to do that for the sake of staying current. I love the feel when kicking. Variable amounts of air can be used based on personal preference while practicing. A little less air allows a more forgiving bounce while juggling.
Update: While this ball was ruined in 3 days of use, the customer service team contacted me quickly and offered to send another product to try from this company. I thought this was very generous and warrants another try. With 3 kids now in soccer, I will update this review upon receipt of the next ball. (I added a star to the rating because they seem to want to stand by their company.)
The exclusive design of the exterior hides a football manufactured in specially-developed Japanese TEIJIN microfibre, which makes the ball seem significantly softer than its predecessor. Without compromising on material thickness or adding foam, we have achieved a thoroughly tested feeling of liveliness and lightness – while naturally also preserving the good characteristics such as control and stability that have always characterised a BRILLANT SUPER.The material may be Japanese but BRILLANT SUPER is produced as always by our year-long supplier in Pakistan. The ball is sewn by hand and produced in quality materials from its innermost to its outermost layers. The Zero-Wing bladder ensures that the ball remains in constant balance throughout its flight through the air and a Double-Lock butyl valve ensures that it is practically airtight.​
These soccer balls are exact replicas of the finale game balls, right on down to the specific design details that can be found on the ball. If you’re looking for a durable, reliable ball that can help players replicated the feeling of playing the game at home, then the Top Training Series by Adidas is one of the best options to consider today. Each ball is guaranteed to pass FIFA tests for weight, circumference, rebound, and water absorption. It is the closest you can get in the entry-level categories for a soccer ball to the match ball experience.
Footballs have gone through a dramatic change over time. During medieval times balls were normally made from an outer shell of leather filled with cork shavings.[4] Another method of creating a ball was using animal bladders for the inside of the ball making it inflatable. However, these two styles of creating footballs made it easy for the ball to puncture and were inadequate for kicking. It was not until the 19th century that footballs developed into what a football looks like today.

Soccer balls come in different variants and choosing one that is right will depend on how you prefer your ball and how you would like to use it. Soccer balls are built of different materials mostly made out of common rubber, polyurethane, nylon or polyvinyl chloride. While polyvinyl chloride balls can get really durable, they may not be as soft and touch responsive as polyurethane blend balls.
Controlling the game is everything. From touch, shape, and movement, to flight of the ball, the construction of your soccer ball can impact how well you command the pitch. Competitive soccer players usually have different types of soccer balls for training, match day or just to kick around. See the options below for choosing the right adidas soccer ball for your favorite type of play.
Of everything that we have analyzed about these soccer balls, one of the biggest things that you can look at for is the external material of the ball. TPU seems like it is the standard in durability for soccer balls in this price range. Machine stitching is another thing that you want to make sure that you have, as it appears that some balls that are stitched otherwise can split open and leak. In any case, make sure that you have your own soccer pump so that you can always be sure that your soccer ball is properly inflated.
A soccer ball can look awesome, but if it lacks good response you're never going to fall in love with it. Your game really comes down to how well your ball performs. One trick you can do in the store to test a ball's performance is to give it a spin in the air. A well-balanced ball should spin smoothly. That will mean smooth sailing on the field. If you can, try it out. Try several of them until you find the one that feels just right.

Bought this as a birthday gift for a 10-yr old boy who loves soccer. The ball is made of a durable rubber material, but it is official weight and size for those who are wondering. The rubber exterior gives the ball more bounce than a typical "official" soccer ball, but IMO it makes the ball more fun to kick around as well as more durable. There are 2 LED lights inside the ball which illuminate when the ball is kicked or tossed onto the ground. LED's shut off automatically after about a minute of inactivity which helps conserve the batteries. No more calling off the soccer game when the sun sets, this ball makes it possible to play in pitch dark conditions and is a blast to kick around. Fun for all ages, kids as well as adults. Great buy, 5 stars.
Latex bladders are one of the best materials when it comes to ball construction. However, with latex bladders, air won’t last as long as butyl bladders and will need more attention for proper inflation. Butyl-blend bladders hold in the air much better, but they are harder and less receptive in play. Mid-priced balls will usually have a mix of butyl and rubber. https://www.youtube.com/watch?v=c1SVcjYY6TE
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