Football ball F500 Size 4 - White

KIPSTAReference: 2964094
filler

Price:
Rs 3,290

Description

We developed this F500 hybrid ball for young footballers that play in clubs and need a comfortable and durable ball.. For this F500 hybrid football, our design teams chose to use an foam inner cover for extra comfort during play and invisible stitching for greater durability.

Gender KIDS
BALL TYPE Hybrid ball
BALL SIZE Size 4
AGE 8 TO 12 YEARS
LEVEL OF PRACTICE INTERMEDIATE
TYPE OF PRACTICE Training
PLAYING SURFACE GRASS
Pack of 1
Design Our design team watched football players in action on the pitch to develop this Hybrid ball. This ball is a hybrid as it combines the comfort of machine stitching with the durability of hand stitching. We also used a bladder with winded thread (2 km of threads are wrapped around the bladder) to ensure durable inflation and better sphericity.
Weight Between 370 and 390 g (Size 4)
Circumference Between 63.5 and 64.5 cm (Size 4)
Sphericity Average measured variation: maximum 1.5%. We measure the football's sphericity at 16 different points and examine the recorded discrepancies. If the discrepancy is greater than 1.5% (FIFA PRO Standard), our engineers are tasked with improving the sphericity to ensure a consistent bounce.
Maximum pressure loss We inflate the ball to the recommended pressure (meaning 0.8 bar). 72 hours later, the ball must not lose more than 15% of its pressure, meaning approx. 0.1 bar. The pressure after 72 hours must, therefore, be at approx. 0.7 bar. This also means that it is quite normal for a ball to lose pressure after a few days.
Water absorption We simulate rainy playing conditions in a lab, leaving the ball to sit in 2 cm of water on a pivoting support whilst subjecting it to 250 compressions. By the end of the test, the ball must not have absorbed more than 15% of its weight, meaning approx. 60 g for this F100 in size 4.
Bounce Between 135 and 155cm with a maximum difference of 10cm between the ball's highest and lowest bounce. Each ball is dropped 10 times on a steel plate from a height of 2 metres.
Shape and pressure retention The most demanding test that this ball is subjected to is the machine shot test. Withstands up to 2500 shots against an inclined concrete surface at 50 km/h from a distance of 2.5 m. At the end of the test, we check: - the ball's general state: stitching must withstand this test - the circumference: must not have increased by more than 1.5 cm. - the sphericity: must not have varied by more than 1.5%. - the air pressure: loss of pressure must not exceed 0.1 bar.
Warranty 2 Years
Country Of Origin China,Pakistan

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