Weight
Between 420 and 445 g (Size 5)Between 350 and 390 g (Size 4)Between 310 and 340 g (Size 3)
Circumference
Between 68.5 and 69.5 g (Size 5)Between 63.5 and 66 g (Size 4)Between 60.5 and 62.5 g (Size 3)
Sphericity
Average measured variation: maximum of 2%
Maximum pressure loss
25% in 72 hours.
Maximum water absorption
15% (test carried out in 2 cm of water with 250 compressions and constant rotation of the ball).
Bounce
Between 125 and 155 cm with a maximum difference of 10 cm between the ball's highest and lowest bounce. Each ball is dropped 10 times on a steel plate from 2 meters in height.
Shape and pressure retention
Resists up to 2000 shots against an inclined concrete slab at 50 km/h at a distance of 2.5 m.Maximum increase in circumference of 1.5 cm.Maximum spherical variation of 1.5% and maximum change in pressure of 0.1 bar.
This football keeps its shape and bounce in play.
Durability
Resists up to 2500 SHOTS against an inclined flat surface at 50 km/h.
Bounce
31 panels with 2 laminate layers combined with mixed butyl latex bladder
