[Soccer Ball] SUPER THERMO JR SB-25ST02 Size 4

• The ideal thermal ball combines the aerodynamic characteristics of a hand-sewn ball with the sphericity and kicking feel of a ball.
• Deep grooves between panels, just like hand-sewn balls, provide additional control and flight advantages
• Prevents the ball from absorbing water in rainy weather.
• Comes with sand prevention valve.
  

Why are the grooves unique to hand-sewn balls necessary?

Hand-sewn balls are first sewn together and then turned inside out, creating deep grooves between the panels. These grooves extend the Magnus effect, the force that causes the ball to lift and change direction as it spins, and prevent it from slowing down. This gives the ball high-performance distance, flight stability, and control.

What is the appeal of thermal manufacturing?

Most of the balls used as match balls in official soccer matches are made using a method called thermal manufacturing, in which panels are pressed together using heat.

POINT 1: Prevents water absorption <br>The panels are attached directly to the tubes inside the ball without using thread, so the gap-free joints prevent water from entering and there is no need to worry about the ball becoming heavy even in the rain.

POINT 2: High sphericity
The panels are pressed together with uniform pressure, resulting in a highly spherical ball, allowing you to kick it with the same feeling no matter where you kick it.