Decathlon - Size 4 Fifa Basic Football Club Hybrid - White - 4

Need a ball for your football club? With the FIFA Basic Club ball, you get 2 layers of foam, making it more comfortable, and invisible seams for durability. Key benefits: • Durability: 2 • Durability: Achieved a rating of 2.27 on a protocol-based test. Seams on the inside. • Lasting air retention: 11% pressure loss in 14 days. • stable flight: 2 • stable flight: Achieved a rating of 5.96 on a protocol-based test. Classic 32 panels. • Bounce: Your ball complies with FIFA requirements in terms of bounce. Technical information: The story behind this ball: Our design team created this hybrid ball after observing football players in action on the pitch. This ball is a hybrid because its design combines the comfort of a machine-stitched ball with the durability of a hand-sewn one (the seams are on the inside). We've also used a special bladder (2 km of thread is wrapped around it) to ensure lasting inflation and better sphericity. ; The durability of our balls: We've developed a tool for characterising the durability of our balls. Defects that appear in use are identified and assessed through a series of laboratory tests. These tests enable us to compare the overall strength of our footballs with those available on the market. Our aim: to have the most durable products on the market. ; Too light? Too heavy? The weight is standardised...: This ball weighs between 350 g and 390 g (size 4) and complies with official FIFA standards. FIFA Basic approved. ; How big is it? What's the circumference?: This ball measures between 63.5 cm and 66.0 cm (size 4) and complies with official FIFA standards. FIFA Basic approved. ; A "round" ball?: Here's how we test sphericity: Average measured variation: 1.8% max (FIFA Basic certification). We measure the football's sphericity at 4500 different points and then examine any differences. If the discrepancy is greater than 1.8% (FIFA ...