Regulation size and weight for a soccer ball is a circumference of 68–70 cm (27–28 in) and a weight of between 410–450 g (14–16 oz). The ball should be inflated to a pressure of 0.6 and 1.1 bars (8.7 and 16.0 psi) at sea level. This is known as "Size 5". Smaller balls, sizes 1, 3 and 4 are also produced.
Association football, more commonly known as simply football or soccer, is a team sport played with a spherical ball between two teams of 11 players.It is played by approximately 250 million players in over 200 countries and dependencies, making it the world's most popular sport.
Scoring goals or points by moving the ball to an opposing team's end of the field and either into a goal area, or over a line. Goals or points resulting from players putting the ball between two goalposts. The goal or line being defended by the opposing team. Players using only their body to move the ball.
Telstar was the first 32-panel black-and-white ball used in the FIFA World Cup finals. Only 20 were supplied by Adidas. A brown ball (Germany-Peru) and a white ball (first half of Italy-Germany) were used in some matches. 1974: Telstar Durlast: Adidas The first polyurethane coated ball, making it waterproof and resistant to wear and tear. 1978
Law 2 of the game specifies that the ball is an air-filled sphere with a circumference of 68–70 cm (27–28 in), a weight of 410–450 g (14–16 oz), inflated to a pressure of 0.6 to 1.1 atmospheres (60–111 kPa or 8.7–16.1 psi) "at sea level", and covered in leather or "other suitable material".
Drawing of a typical soccer ball. See image:Soccerball shade.svg for a shaded version. This file is from the Open Clip Art Library , which released it explicitly into the public domain ( see here ) .