Being considered as the world’s fastest sport, hurling is a game that is from the ancient gaelic origin and is still played today. The objective of the game is for players to use a wooden stick called a hurley to hit a small ball called a sliotar between the opponents’ goalposts.
The ball that is used in hurling is called a sliotar and has specific requirements:
Sliotar
The hurling ball, or sliotar, is traditionally made using a leather cover surrounding an inner core. A rib extends from the surface as indicated on the diagram.
The circumference of the sliotar must be 23 – 25cm, while its weight (mass) must be between 110 and 120 grams. The rib must not exceed 2.4mm and not be less than 2.2mm. (Note: reduced dimensions for sliotars are recommended for U15 and younger grades)
References:
Gaelic Athletic Association Website – http://www.gaa.ie/coaching-and-games-development/rules-and-specifications/rules-of-specifications/equipment/
Photo – http://www.bbc.com/sport/0/get-inspired/23160639