I purchased the Knuckle It Pro soccer ball for my sons 12 th birthday in August of 2017. When I asked what he would like for his birthday he had mentioned this ball. I had never heard of it so I began doing research on the product. We had at least 4 soccer balls at home at the time so I wasn't sure I'd go with another ball. We have one of nearly every major brand ranging in price from $15-30. He had even received a $40 ball just months before for Christmas so I really didn't see the point in one more.

What are the different types of soccer balls? Should I buy an expensive one, a middle priced one or a cheap one? What kind of balls are adequate for my needs?  Most soccer balls can be divided into three different categories, professional match balls, match balls, and practice balls.  The type you need of course depends on how and where you want to use the soccer ball. For more information on types of soccer balls, click here. 
Our main intention of discussing the different types of balls is to educate you so that you can buy the right product. For example using practice balls on the street will bring you no good but some awful experiences as the ball will not last long. Similarly, an indoor soccer ball is not good to play on a beach. Keep this in mind when buying, and using a ball.
Keep your skills sharp and work on your craft with signature soccer balls from Nike. Engineered with a 12-panel design for true, accurate ball flight and control, Nike soccer balls come in a variety of color combinations and include a two-year stitch and shape guarantee. Whether you're a young athlete just learning the game or a seasoned veteran looking to refine your skills, Nike has soccer balls to help you get to that next level. All soccer balls come in a range of sizes depending on your age level. Buy Size 5 for ages 12 and up, Size 4 for ages 8-12, and Size 3 for ages 8 and under. Combine soccer balls with signature Nike soccer shoes, and put in the time to master your touch. Shop Nike soccer balls for men, women and kids, and be sure to explore the complete collection of Nike soccer accessories for additional gear, including soccer pants and shirts.
This time there is no stitching to attach the panels, but they are thermally bonded. This is the interesting part. First, we wanted to see how it performs in the air for a free kick. You will find a decent, predictable trajectory. Although when you are knuckling, the result mainly depends on your skill and the air direction, a ball plays a vital role as well to help your process of a successful knuckle shot.
Actual match balls should be of awesome quality.. I was happy to get the chance to review this size 5 match ball from the 2017 Confederations Cup Collection that was used in Russia. With the majority being white and the splashes of red with grey it stands out both on the shelf and on the field when it spins (a plus or x symbol depending on how you turn it)..

Due to it being significantly softer than the other types of rubbers used for soccer ball bladders, latex is generally seen as the premier material. Though, this same perception may not hold as true for practice balls or even game balls at lower levels of competition. This is because latex bladders retain air worse than all of the other soccer ball bladder materials and will need to be re-inflated more often.
There are several different materials and methods of construction used in soccer balls. Typically, Polyurethane casings are preferred as they’re often seamless and thermally bonded for premium play and long-lasting durability. However, many of the hand-stitched options are also very durable. The least durable options tend to be lower in price and machine stitched.
Now let’s talk a bit about what is it that they are made of and sizes and it’s importance. Soccer is the best way to learn physics as you learn to control a ball’s movement, all the while studying the force you need to exert to get to that optimal point. Specially for a professional player or someone who is on the path to it. They must know ins and out while they learn to control it.
Today's footballs are more complex than past footballs. Most modern footballs consist of twelve regular pentagonal and twenty regular hexagonal panels positioned in a truncated icosahedron spherical geometry.[4] Some premium-grade 32-panel balls use non-regular polygons to give a closer approximation to sphericality.[12] The inside of the football is made up of a latex bladder which enables the football to be pressurised. The ball's panel pairs are stitched along the edge; this procedure can either be performed manually or with a machine.[5] The size of a football is roughly 22 cm (8.65 inches) in diameter for a regulation size 5 ball. Rules state that a size 5 ball must be 68 to 70 cm in circumference. Averaging that to 69 cm and then dividing by π gives about 22 cm for a diameter.
When it is about quality, these are almost same as premium match soccer balls but obviously not the same. To be exact, you can say official match soccer balls are positioning between premium match balls and training soccer balls regarding quality. That means these balls also offer an excellent level of air retention, shape, water absorption, curve, and performance. Although usually, they are not as durable as training balls but as a whole, they are very much durable.
The second edition of the new dual bonded production method is the Target DB. This new ball is both machine-stiched and sealed with glue. The contstruction consists of a PU-material laminated with 3.5 mm foam. Two layers of textile underlining are them laminated to the foam layers to add stability. Finally, the panels are 3D printed with a 3mm edge glue and stitched together. The glue is activated in the heat mold to hide the stitches and the seam sealing is done by hand. By using glue in the sealing of the seams, the water uptake is reduced significantly.The bladder inside is a SR-bladder with excellent air retention. The result is a soccer ball with both stability, control and a softer touch compared to other balls in the range.
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.
The bladder, or the inside, of the soccer ball, is also very important to talk about.  There are typically only two choices that they are made out of butyl and latex.  The higher-end balls usually are latex while butyl is typically meant for training balls.  However, butyl is much better at keeping the air and shape of the ball for longer periods!   
These balls were add on items and they were a great price. I got four of them because I started coaching U8 soccer. I didn’t want to spend a lot of money on balls let me get ruined or actually find their way home with one of my players, these were a perfect fit. We are only halfway through the season and they’ve held up great, they’ve even used them as the game ball on a couple occasions. I would recommend this to any soccer coach.
Adidas says its design was motivated by Russia's urban landscapes. It uses textured graphics and a metallic sheen to bring a modern look to the classic design. The ball is made of six panels of thermally bonded TPU and about 15% silicone. The materials allow for better trajectory, accuracy, responsiveness, and low water absorption. It also feels well-padded and slightly lighter than previous match balls.
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