The shortened GAA championship season last year hit sales of O’Neill’s replica jerseys, as pre-tax profits at the main company behind the O’Neill’s brand fell 18% to €1.3m.

The directors of one of the best-known sporting brands here, O’Neills, have warned that Brexit and its associated uncertainty is a considerable risk to the company’s outlook.

The emigrant dollar prevented Irish sportswear firm O’Neills going into the red last year.

THE largest manufacturer of sportswear in Ireland yesterday reported a boom in the sale of GAA jerseys — in Australia.