Ball (association football)

Short description: Spherical object used in association football tournament

Adidas Telstar-style ball, with the familiar black and white spherical truncated icosahedron pattern, introduced in 1970

A football (also known as a football ball, soccer ball, or association football ball specifically in the United Kingdom ) is the ball used in the sport of association football. The name of the ball varies according to whether the sport is called "football", "soccer", or "association football". The ball's spherical shape, as well as its size, weight, mass, and material composition, are specified by Law 2 of the Laws of the Game maintained by the International Football Association Board.[1] Additional, more stringent standards are specified by FIFA and other big governing bodies for the balls used in the competitions they sanction.

Early footballs began as animal bladders or stomachs that would easily fall apart if kicked too much. Improvements became possible in the 19th century with the introduction of rubber and discoveries of vulcanization by Charles Goodyear. The modern 32-panel ball design was developed in 1962 by Eigil Nielsen, and technological research continues to develop footballs with improved performance. The 32-panel ball design was soon joined by 24-panel balls as well as 42-panel balls, both of which improved on performance prior to 2007.[citation needed]

A black-and-white patterned spherical truncated icosahedron design, brought to prominence by the Adidas Telstar, has become a symbol of association football.[2] Many different designs of balls exist, varying both in appearance and physical characteristics.[3]

## Contents

* 1 History
* 1.1 First years of football codes
* 1.2 Vulcanization
* 1.3 Reasons for improvement
* 1.4 Latest developments
* 1.5 Future developments
* 2 Specification
* 2.1 Construction
* 2.2 Size and weight
* 2.3 Types of ball
* 3 Suppliers
* 3.1 FIFA World Cup
* 3.2 League balls
* 4 Unicode
* 5 See also
* 6 Notes
* 7 References
* 8 External links

## History

### First years of football codes

Early football ball (with its leather lace) used in the 1930 FIFA World Cup Final Leather ball used in the football tournament at the 1936 Summer Olympics

In the year 1863, the first specifications for footballs were set by the Football Association. Previous to this, footballs were made out of inflated animal bladder, with later leather coverings to help footballs maintain their shapes.[4] In 1872 the specifications were revised, and have been kept essentially unchanged by the International Football Association Board. Differences in footballs made since this rule came into effect have been with the material used to create them.

Footballs have dramatically changed over time. During medieval times balls were normally made from an outer shell of leather filled with cork shavings.[5] Another method of creating a ball was using animal bladders to make it inflatable inside. However, these two styles of footballs were easy to puncture and were inadequate for kicking. It was not until the 19th century that footballs developed a more modern appearance.

### Vulcanization

In 1838, Charles Goodyear introduced vulcanized rubber, which dramatically improved football.[6] Vulcanization is the treatment of rubber to give it certain qualities such as strength, elasticity, and resistance to solvents. Vulcanization of rubber also helps the football resist moderate heat and cold. Vulcanization helped create inflatable bladders that pressurize the outer panel arrangement of the football. Charles Goodyear's innovation increased the bounce ability of the ball and made it easier to kick. Most balls of this time had tanned leather with eighteen sections stitched together. These were arranged in six panels of three strips each.[7][8]

### Reasons for improvement

During the 1900s, footballs were made out of leather with a lace of the same material (known as tiento in Spanish) used to stitch the panels. Although leather was perfect for bouncing and kicking the ball, when heading the football (hitting it with the player's head) it was usually painful. This problem was most probably due to water absorption of the leather from rain, which caused a considerable increase in weight, causing head or neck injury. By around 2017, this had also been associated with dementia in former players.[9] Another problem of early footballs was that they deteriorated quickly, as the plastic used in manufacturing the basketballs varied in thickness and in quality.[7]

The ball without the leather lace was developed and patented by Romano Polo, Antonio Tossolini and Juan Valbonesi in 1931 in Bell Ville, Córdoba Province, Argentina.[10][11] This innovative ball (named Superball) was adopted by the Argentine Football Association as the official ball for its competitions since 1932.[12]

### Latest developments

Adidas Torfabrik football used in the Bundesliga in 2011

The deformation of the football when it is kicked or when the ball hits a surface is tested. Two styles of footballs have been tested by the Sports Technology Research Group of Wolfson School of Mechanical and Manufacturing Engineering in Loughborough University; these two models are called the Basic FE model and the Developed FE model of the football. The basic model considered the ball as a spherical shell with isotropic material properties. The developed model also used isotropic material properties but included an additional stiffer stitching seam region.

Manufacturers are experimenting with microchips and even cameras embedded inside the ball. The microchip technology was considered for the goal-line technology. The ball used in the 2018 FIFA World Cup in Russia had an embedded chip which did not provide any measurements, but provided 'user experience' via smartphone after connecting with the ball via NFC.[13][14][15]

### Future developments

Companies such as Umbro, Mitre, Adidas, Nike, Select and Puma are releasing footballs made out of new materials which are intended to provide more accurate flight and more power to be transferred to the football.[16][17]

## Specification

### Construction

Modern footballs are much more complex than past footballs. Most footballs consist of twelve regular pentagonal and twenty regular hexagonal panels positioned in a truncated icosahedron spherical geometry.[5] Some premium-grade 32-panel balls use non-regular polygons to give a closer approximation to sphericality.[18] The inside of the football is made up of a latex or butyl rubber bladder which enables the football to be pressurised. The ball's outside is made of leather, synthetic leather, polyurethane or PVC panels. The surface can be textured, weaved or embossed for greater control and touch. The panel pairs are either machine-stitched, hand-stitched or thermo-bonded (glued and bonded by heat) along the edge.[6] To prevent water absorption balls may be specially coated, or the stitches bonded with glue. The size of a football is roughly 22 cm (8.66 inches) in diameter for a regulation size 5 ball. Rules state that a size 5 ball must be 68 to 70 cm (27 to 28 in) in circumference.[19] Averaging that to 69 cm (27 in) and then dividing by π gives a diameter of about 22 cm (8.7 in).

### Size and weight

Regulation size and weight for a football is a circumference of 68–70 cm (27–28 in) and a weight of between 410–450 g (14–16 oz). The ball is inflated to a pressure of 0.6–1.1 bars (8.7–16.0 psi) at sea level.[20] This is known as "Size 5". Smaller balls, sizes 1, 3 and 4 are also produced for younger players or as training tools.[20]

### Types of ball

There are different types of football balls depending on the match and turf including training footballs, match footballs, professional match footballs, beach footballs, street footballs, indoor footballs, turf balls, futsal footballs and mini/skills footballs.[21]

A professional/premium match soccer ball

* Professional/premium match footballs are developed with top professional clubs to maximize players natural abilities and skills. They are FIFA-approved for use at the highest professional and international levels and designed for performance, exact specifications, great accuracy, speed and control. Air retention, water-resistance, and performance are far superior when compared to a training ball. They are intended for all natural and artificial turf surfaces and all climates. These are the most expensive footballs.
* Matchday footballs are high performance range of balls for all playing surfaces. The outer casing is either leather or an approved synthetic and it will typically be water-resistant as well. They are guaranteed to conform to official size, weight, and texture regulations, designed to suit all levels of play and all age groups. These balls cost more than turf or training balls, which is offset by their superior level of quality.
* Recreational/practice/training footballs are tough and highly durable balls for extended use. Made of robust materials for use on all playing surfaces and used by players at any level. Practice balls are the least expensive balls when compared with match type footballs.
* Turf balls are specifically designed to work on artificial surfaces that mimic grass. They are durable and reasonably affordable, but tend to skip more when used on a natural pitch.
* Promotional balls are usually made to promote a name brand, organization or event.
* Indoor footballs come in the same sizes as the outdoor soccer balls, but are designed to have less bounce and rebound in them, making it possible to control the ball on a smaller court or indoor arena. The cover of an indoor ball is also the strongest of any category, so it can withstand the hard rebound impact on the court flooring and wall surfaces.
* Futsal footballs differ from typical footballs in that the bladder is filled with foam. That makes the ball heavier and with less bounce for use on the hard futsal playing surface. A futsal football is smaller in size than a football used on the football pitch.

## Suppliers

Many companies throughout the world produce footballs. The earliest balls were made by local suppliers where the game was played. It is estimated that 40% of all footballs are made in Sialkot, Pakistan with other major producers being China and India.[22]

As a response to the problems with the balls in the 1962 FIFA World Cup,[clarification needed] Adidas created the Adidas Santiago[23] – this led to Adidas winning the contract to supply the match balls for all official FIFA and UEFA matches, which they have held since the 1970s, and also for the Olympic Games.[24] They also supply the ball for the UEFA Champions League which is called the Adidas Finale.

### FIFA World Cup

In early FIFA World Cups, match balls were mostly provided by the hosts from local suppliers. Records indicate a variety of models being used within individual tournaments and even, on some occasions, individual games. Over time, FIFA took more control over the choice of ball used. Since 1970 Adidas have supplied official match balls (all of which were made in Sialkot, Pakistan ) for every tournament.[25]

### League balls

The most up-to-date balls used in various club football competitions as of 2023–24 season are:

Balls used in football leagues

Ball  | League
Adidas Conext 24 Pro  |

* FIFA Club World Cup (FIFA)
* UEFA Super Cup

Molten Vantaggio 5000 AFC  | AFC

* AFC Champions League
* AFC Women's Club Championship
* AFC Cup

Umbro Neo Precision  | CAF

* CAF Champions League
* CAF Super Cup
* CAF Women's Champions League
* CAF Confederation Cup

Nike Flight CONCACAF 2023  | CONCACAF

* CONCACAF Champions League
* CONCACAF League

Nike Flight CONMEBOL 2023  | CONMEBOL

* Copa Libertadores
* Recopa Sudamericana
* Copa Libertadores Femenina
* Copa Sudamericana

Pasifika Taniwa  | OFC Champions League (OFC)
Adidas Finale 23

* Play-off rounds and the group stage only [lower-alpha 1]
* Group stage only [lower-alpha 2]

Adidas Finale London (UCL)

* Knockout stage and the final only

Adidas Finale Bilbao (UWCL)

* Knockout stage and the final only

|  UEFA

* UEFA Champions League
* UEFA Women's Champions League

Molten Europa League

* Competition proper only

|  UEFA Europa League
Molten Conference

* Competition proper only

|  UEFA Europa Conference League
Puma Orbita LaLiga

* Orbita LaLiga 2023 (August–November 2023)
* Hi-Vis version (December 2023–April 2024)
* Orbita LaLiga 2024 (April–May 2024)

|  Liga Nacional de Fútbol Profesional

* LaLiga EA Sports
* LaLiga Hypermotion

Puma Orbita Liga F  |  Liga Profesional Femenina de Fútbol

* Primera División Femenina
* Segunda División Femenina

Adidas Antwerp  |  Spanish Football Federation

* Copa del Rey
* Supercopa de España
* Primera División RFEF
* Segunda División RFEF

Nike Flight Premier League

* Nike Flight 23 (August–November 2023)
* Hi-Vis version (December 2023–February 2024)
* Nike Flight 24 (March–May 2024)

|  Premier League
Nike Flight  |  The Football Association

* Women's Super League
* Women's Championship

Puma Orbita EFL

* Orbita EFL 2023 (August–November 2023)[lower-alpha 3]
* Hi-Vis version (December 2023–February 2024)[lower-alpha 3]
* Orbita EFL 2024 (March–May 2024)[lower-alpha 3]
* Orbita EFL Final (EFL play-offs only)
* Orbita Carabao Cup (EFL Cup only)
* Orbita Bristol Street Motors Trophy (EFL Trophy only)

|  English Football League

* EFL Championship
* EFL League One
* EFL League Two
* EFL Cup
* EFL Trophy

Mitre Delta Max Football Association  |  The Football Association

* FA Cup
* FA Community Shield
* Women's FA Cup
* Women's FA Community Shield

Puma Orbita Serie A  |  Lega Serie A

* Serie A
* Supercoppa Italiana
* Coppa Italia

Kappa Kombat Ball 2021  |  Serie B
Erreà  |  Serie C
Nike Academy  |  Serie D
Puma  |  Serie A Femminile
Puma  |  Serie B Femminile
Select Derbystar Brillant APS[26]

* Hi-vis version (Snowy conditions only)

|  Deutsche Fußball Liga

* Bundesliga
* DFL-Supercup
* 2\. Bundesliga

Adidas Conext 24 Pro  |  German Football Association

* DFB-Pokal (Final only)
* 3\. Liga
* Frauen-Bundesliga
* 2\. Frauen-Bundesliga

Decathlon Kipsta

* Kipsta 23 (August 2023–February 2024)
* Kipsta Trophée des Champions (Trophée des Champions only)
* Kipsta 24 (March–May 2024)

|  Ligue de Football Professionnel

* Ligue 1
* Trophée des Champions
* Ligue 2

Nike Flight  |  French Football Federation

* Coupe de France
* Championnat National
* Division 1 Féminine
* Division 2 Féminine

Select Derbystar Brillant APS

* Hi-vis version (Snowy conditions only) [27]

Nike Flight[28]

|  Royal Dutch Football Association

* Eredivisie
* Johan Cruyff Shield
* KNVB Cup
* Eerste Divisie
* Tweede Divisie

Select Derbystar Brillant Super  |  Liga Portuguesa de Futebol Profissional

* Primeira Liga
* Segunda Liga
* Taça da Liga

Puma Orbita TFF  |  Turkish Football Federation

* Süper Lig
* Turkish Super Cup
* Turkish Cup
* TFF First League
* TFF Second League
* TFF Third League

Mitre Delta Max SPFL  |  Scottish Professional Football League

* Scottish Premiership
* Scottish Championship
* Scottish League One
* Scottish League Two
* Scottish League Cup
* Scottish Challenge Cup
* Scottish Women's Premier League

Voit Bliss  |  Liga MX
Nike Flight  |  Primera Division
Golty  |  Categoría Primera A
Nike Flight  |  Campeonato Brasileiro Série A
Adidas Argentum  |  Argentine Primera División
Nike Flight  |  Russian Premier League
Nike Flight  |  Superleague Greece
Select Brillant Super  |  Liga I
Adidas Uniforia  |  J1 League
Adidas Uniforia  |  K League 1
Puma  |  Parva Liga
Adidas Telstar 18 |  Ekstraklasa
Adidas Nativo  | / Major League Soccer
Derbystar Brillant APS  |  Canadian Premier League
Nike Flight  |  Chinese Super League
Nike Flight  |  A-League
Nivia Ashtang  |  I-League
Molten VG-5000A  |  United Football League
Adidas Brazuca  |  Eliteserien
Decathlon Kipsta  |  Pro League

* Belgian First Division A
* Belgian Super Cup
* Belgian First Division B

Select Derbystar Brillant Super  |  Danish Superliga
Select Derbystar Brillant Super  |  Veikkausliiga
Select Derbystar Brillant Super  |  Allsvenskan
Select Derbystar Brillant Super  |  Iceland Úrvalsdeild
Voit  | / National Premier Soccer League
Nivia Ashtang  |  Indian Super League
Nike Ordem 3 NWSL 2016  |  National Women's Soccer League
Nike Ordem 3  |  Saudi Premier League
Dong Luc Group Galaxy UHV 2.07  |  V.League 1
Grand Sport Group Primero Mundo 5  |  Thai League 1
Mitre Delta Max  |  Singapore Premier League
Mitre Delta  |  National Football League
Mitre Delta Hyperseam  |  Women's Premier League
Mitre Delta Hyperseam  |  Women's National League
Mitre Delta Max  |  FFA Cup
Mitre Delta V12  |  National Premier Soccer League
Mitre Delta WPL  |  Welsh Premier League
Adidas Al Rihla Pro  |  Lithuanian A Lyga
Lithuanian I Lyga
Puma Orbita Ball  |  Ukrainian Premier League
Select Brilliant Super PFL  |  Professional Football League of Ukraine

* Persha Liha
* Druha Liha

Puma Orbita MFL 1  | Malaysia Super League

Malaysia Cup

Malaysia FA Cup

MFL Cup

Piala Sumbangsih

## Unicode

The association football symbol (U+26BD ⚽ SOCCER BALL (HTML `&#9917;`)) was introduced by computing standard Unicode.[29] The symbol was representable in HTML as `&#9917;` or `&#x26BD;`.[citation needed] The addition of this symbol follows a 2008 proposal by Karl Pentzlin.[30]

## See also

* Ball (gridiron football)
* Football (ball)

## Notes

1. ↑ UEFA Champions League only
2. ↑ UEFA Women's Champions League only
3. ↑ 3.0 3.1 3.2 EFL Championship, Leagues One and Two only

## References

1. ↑ Mazhar, Talha. "citation". Fifa. https://www.fifa.com/legal/documents.
2. ↑ Kotschick, Dieter (2006). "The Topology and Combinatorics of Soccer Balls". American Scientist 94 (4): 350–357. doi:10.1511/2006.60.1001. https://www.americanscientist.org/article/the-topology-and-combinatorics-of-soccer-balls. Retrieved 3 October 2019.
3. ↑ Hong, Sungchan; Asai, Takeshi (29 May 2014). "Effect of panel shape of soccer ball on its flight characteristics". Scientific Reports 4 (1): 5068. doi:10.1038/srep05068. PMID 24875291. Bibcode: 2014NatSR...4E5068H.
4. ↑ "Football World – Early History". http://www.soccerballworld.com/History.htm. (Accessed 9 June 2006)
5. ↑ 5.0 5.1 Price, D. S., Jones, R.Harland, A. R. 2006. Computational modeling of manually stitched footballs. Proceedings of the Institution of Mechanical Engineers – Part L — Journal of Materials: Design & Applications. Vol. 220 Issue 4, p259-268.
6. ↑ 6.0 6.1 Materials Science and Engineering: A Volume 420, Issues 1–2, 25 March 2006, Pages 100–108
7. ↑ 7.0 7.1 Viscoelasticity of multi-layer textile reinforced polymer composites used in footballs. Journal of Materials Science. Volume 43, Number 8 / April 2008. 2833–2843.
8. ↑ "Oldest Soccer Ball". soccerballworld.com. 2013. http://www.soccerballworld.com/Oldestball.htm.
9. ↑ Ling, Helen; Morris, Huw R.; Neal, James W.; Lees, Andrew J.; Hardy, John; Holton, Janice L.; Revesz, Tamas; Williams, David D. R. (March 2017). "Mixed pathologies including chronic traumatic encephalopathy account for dementia in retired association football (soccer) players". Acta Neuropathologica 133 (3): 337–352. doi:10.1007/s00401-017-1680-3. PMID 28205009.
10. ↑ "La primera fábrica argentina de pelotas" (in es). iProfesional (Emprendimientos Corporativos S.A.). 18 July 2018. https://www.iprofesional.com/notas/271762-ventas-congreso-precios-pymes-empresa-crisis-futbol-fabrica-competencia-pelotas-otros-bell-ville-La-primera-fabrica-argentina-de-pelotas-lucha-para-sobrevivir-a-la-importacion.
11. ↑ Wall, Alejandro (July 2013). "Los avances tecnológicos en el fútbol" (in es). Conexión Brando. http://www.conexionbrando.com/1592082-los-avances-tecnologicos-en-el-futbol.
12. ↑ "Pelota sin tientos" (in es). La Nueva Provincia. 5 February 2012. https://www.lanueva.com/nota/2012-5-12-9-0-0-pelota-sin-tientos.
13. ↑ Victor, Daniel (18 December 2017). "Why Doesn't the N.F.L. Use Tracking Technology for First-Down Calls? - The New York Times". The New York Times. https://www.nytimes.com/2017/12/18/sports/nfl-first-down-measurement.html.
14. ↑ "World Cup: A closer look at the technology inside the 2018 World Cup soccer ball - Los Angeles Times". 21 May 2018. https://www.latimes.com/sports/soccer/la-sp-world-cup-ball-20180521-story.html.
15. ↑ "How Does The NFC Tech In The 2018 adidas Telstar Ball Work? - SoccerBible". https://www.soccerbible.com/performance/football-equipment/2017/how-does-the-2018-adidas-telstar-nfc-ball-work/.
16. ↑ "The History of the Soccer Ball Part 2". Soccer Football World. Rig-Tech Inc.. 9 June 2006. http://www.soccerballworld.com/Historypg2.htm#2000.
17. ↑ "World's First Intelligent Soccer Ball Receives FIFA Recognition". PR Newswire. Cision. 6 July 2012. http://www.prnewswire.com/news-releases/worlds-first-intelligent-soccer-ball-receives-fifa-recognition-161547935.html.
18. ↑ Eastaway, Rob; Haigh, John (15 October 2005). "Balls; and why theyaren't quite spherical". How to Take a Penalty: The Hidden Mathematics of Sport. Robson. pp. 4–5. ISBN 9781861058362.
19. ↑ "IFAB". http://theifab.com/laws/chapter/22/section/31/. [yes|permanent dead link|dead link}}]
20. ↑ 20.0 20.1 "Laws of the Game 2017/2018". http://resources.fifa.com/mm/document/footballdevelopment/refereeing/02/90/11/67/lawsofthegame2017-2018-en_neutral.pdf.
21. ↑ "Soccer Balls". http://www.soccer.com/guide/soccer-ball-guide/. , "Soccer". http://soccer.com/. , 14 October 2013. Retrieved 2013-10-14.
22. ↑ Wright, Tom (28 April 2010). "A Soccer Sore Point". The Wall Street Journal. http://blogs.wsj.com/indiarealtime/2010/04/28/new-sore-point-for-pakistan-india-soccer-balls/.
23. ↑ The Blizzard: Issue 6. Blizzard Media Limited. 2012. ISBN 978-1-908940-06-3. https://www.theblizzard.co.uk/product/issue-six-print/.
24. ↑ "football World – Team Geist". http://www.soccerballworld.com/Teamgeist.htm. (Accessed 9 June 2006)
25. ↑ Platt, Oli. "FIFA World Cup balls: From the Tango to the Jabulani | Goal.com" (in en). http://www.goal.com/en-gb/news/fifa-world-cup-balls-tango-jabulani-telstar-azteca-brazuca/4mbzo7cssvp21x4djfllk2cpx.
26. ↑ "DERBYSTAR unveils 2023/24 official match balls" (Press release). Frankfurt: Deutsche Fußball Liga. Retrieved 31 May 2023.
27. ↑ Eredivisie, Eerste Divisie and Tweede Divisie only
28. ↑ KNVB Cup and Johan Cruyff Shield only
29. ↑ "Miscellaneous Symbols Range: 2600–26FF, The Unicode Standard, Version 12.0". Unicode Consortium. 2009. http://unicode.org/charts/PDF/U2600.pdf.
30. ↑ Pentzlin, Karl (2 April 2008). "Proposal to encode a SOCCER BALL symbol in Unicode". http://www.dkuug.dk/jtc1/sc2/wg2/docs/n3514.pdf.

## External links

* New York Times interactive feature on the evolution of the world cup ball
* van Rheenen, Erik (16 August 2013). "Why Are Soccer Balls Made of Hexagons?". Mental Floss. http://mentalfloss.com/article/51296/why-are-soccer-balls-made-hexagons. Retrieved 16 August 2013.

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