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.
This is what the majority of quality soccer balls are made out of. It offers a great blend of durability and responsiveness and is the material most commonly used by professional leagues for their game balls. In fact, FIFA uses polyurethane, or PU, exclusively for their game balls. One thing that allows PU to stand out above many of the other materials is its versatility.
This ball is designed to record strike points, speed, spin, and trajectory when used with the training tool. This makes it so much easier to track your progress and find your weak spots during training! The app keeps track of your stats for you to review and compare as you train. Users relate this as a favorite feature because it gives them the opportunity to track their training progress more efficiently.
It depends on its intended use. Soccer ball casings are made from three kinds of synthetic materials. Polyvinyl carbonate (PVC) which is what most less expensive training balls are made from, Polyurethane (PU) which is the preferred ball for soccer tournaments, and a combination of the two. There are also foam and rubber training soccer balls for kids. Some kids' soccer balls are made of 100 percent thermoplastic polyurethane (TPU), which is a kind of foamy casing material so the ball is very soft. There are greater and lesser grades of each kind of material. PU-covered balls are generally softer, livelier, and have a better feel to them, and are what most people seek when looking for a optimal performing soccer ball.
Law 1: The Field of Play Law 2: The Ball Law 3: The Number of Players Law 4: The Players' Equipment Law 5: The Referee Law 6: The Other Match Officials Law 7: The Duration of the Match Law 8: The Start and Restart of Play Law 9: The Ball In and Out of Play Law 10: The Method of Scoring Law 11: Offside Law 12: Fouls and Misconduct Law 13: Free kicks (direct and indirect) Law 14: The Penalty Kick Law 15: The Throw-In Law 16: The Goal Kick Law 17: The Corner Kick
The most modern feature is an embedded NFC chip, which is found on the top of the ball. If you download a free app on iOS or Android, you can personally interact with the ball's exclusive content and location-specific challenges. You'll also be able to participate and enter competitions and World Cup-related challenges. Of course, you can record and upload your experiences for social media posterity.