Sport in Ireland sizeable following in Ireland. The governing body is Horse Sport Ireland (formerly the Equestrian Federation of Ireland), which is composed of 15 Irish affiliate bodies, representing all facets of equestrian sport. These sports include show jumping, eventing, dressage, endurance riding, para-equestrian, polo and carriage driving. Overall administration of Irish horse-racing is carried out by Horse Racing Ireland. Horse Racing Ireland is responsible for racing in both the Republic of Ireland, which has 24 racecourses, and in Northern Ireland, which has 2 racecourses. Ireland's top tracks are the Curragh and Fairyhouse. The breeding industry (including the world's largest thoroughbred breeding operation;
Equestrian helmet sport. For equestrian helmets, these other tests may include dropping the helmet onto an anvil with a sharp edge, to simulate impact with the edge of a jump standard or a horse hoof. The most common standard used by sanctioning organizations in the United States is known as ASTM F1163 It is periodically updated, the most recent is ASTM F1163-13 (2013). It is a performance standard written by a volunteer committee of "producers" (persons who represent manufacturing companies) and "users" of equestrian helmets, and published by ASTM International. The standard defines performance criteria and test methods; it does not prescribe