This 12-oz. ball works for players between 8 and 12 years old and has a circumference of 26 inches, larger than a size 3 and smaller than the size 5. This age group tends to play on a field of about 30 to 50 yards, writes Deborah W. Crisfield in "The Everything Kids' Soccer Book," with a goal size of around 6 feet high and 18 feet long. Again, the scale for the U12s falls between that of the U8s and that of the older age brackets for the No. 4 ball and the game as a whole. Some leagues may limit the No. 4 ball to U10s instead of U12s, so check league rules before making a purchase. 
Built for durability, recreation balls are made of soft synthetic materials for play on nearly any field. Typically, these balls are slightly heavier for beginner’s slower play, yet, competitors of all skill levels use these balls for practice and recreation on hard turf fields due to their resilience. Machine-stitching is the most stand-out visual difference between match balls and training balls and it offers a consistent touch for any player.

All in all a street soccer ball needs to be rough and tough with all the attributes we discussed so far. Senda street soccer ball has fulfilled all these requirements, and met our expectation. We recommend you to buy this option if you want to play on street or hard surface. We found this as a good quality model with the proper construction as we discussed. The weight and bounce are also according to the requirement of a street soccer ball.
When looking for the right ball for your child, you may come across a reference to different sizes of soccer balls. These sizes can vary a bit from product to product but most do conform to certain league standards. A size 1 ball is also known as a mini ball and is typically between 18 and 20 inches in circumference. This size is perfect for toddlers and early walkers to help them develop footwork skills and ball control. A size 3 ball, or a junior ball, is usually between 23 and 24 inches around. This is the type of ball that most peewee soccer teams use as it is designed for children 8 years and younger. As your child grows and continues with their soccer team, they will eventually need a size 4 ball which is 25 to 26 inches. This is known as a youth ball and is ideal for children between 8 and 12 years of age. Finally, the size 5 or adult ball is 27 to 28 inches in circumference. This is the size of the soccer ball used by professional athletes and is suitable for anyone age 13 years or older.
Soccer — or football as it's known around the world — is arguably the most loved sport on Earth. Although Americans still aren't as enamored of the sport as the rest of the world is, teams around the country are stealing hearts and minds, and Americans are getting into the game. For years, soccer has been a sport played by kids, college students, and ex-pats, but it's now being cheered in stadiums and watched on national TV.
The soccer is the world's most popular and widely watched game. Due to increasing technological advancement and demand for performance, the ball manufacturers have been developing new designs progressively. A traditional spherical football made of 32 leather panels stitched together in 1970s has become only 14 synthetic curved panels thermally bonded without stitches ball in 2006 and more recently 8 panels football in 2010. Despite being most popular game in the world, scan data is available on aerodynamic properties of footballs especially Jabulani, Teamgeist and Fevernova balls. The primary objectives of this study were to evaluate aerodynamic performances of these three soccer balls. The aerodynamic forces and moments were measured experimentally for a range of wind speeds. The aerodynamic forces and their non-dimensional coefficients were determined and compared.
The new ball is a product of four years of design and testing, and looks are about the only thing it shares with its older relative. The original model was comprised of 32 individual panels that had to be hand-stitched together. The new one, manufactured in China and Pakistan, has just six panels that are machine-stitched around a newly designed latex bladder, ensuring a more stable performance from ball to ball.
The secret to the authentic movements on a rebound with this ball is the inclusion of an SBR foam layer underneath the PU cover. This allows the power of a pass or shot to be transferred with more accuracy. It keeps the ball somewhat soft to the touch, but creates a realistic movement which allows players to develop an ability to start reading the game with accuracy without the need to purchase an expensive premium match soccer ball. It comes in all of the standard sizes and offers 4 unique design options, allowing players of any age or ability to begin working on their soccer skills.
Only size 5, and size 4 are available for this. Although this should not be a major problem as this is for recreational play and practicing purpose, so kids are ok to play with this as well. In fact, the ball that will be given away to the developing countries will be used by the kids mostly. If you are buying this for an adult go for size 5, and if you are buying for kids or youth players then better go for size 4.
Well, panels are not any different component. Panels are the segments or octagon quilt that are seen outside the balls. Of course, nowadays you will find some other shapes besides octagon. FIFA official balls usually contain 32 panels. But nowadays you will also find 26, 18, 14, 8 or even 6 panels with different shapes and designs from those of conventional balls.

Match balls are constructed specifically for competition and the sport's high-level training. These balls feature higher quality materials and must conform to regulation standards of your league. Training and recreational soccer balls are designed to handle extended use on a variety of playing surfaces, often featuring a PVA casing for enhanced durability.

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