Gleann Tuath’s Cathair Le Cheile – the City and the Glens Together. The O’Neills Antrim GAA online shop offers a wide range of Antrim jerseys including home, away, goalkeeper and training tops. Kit the little ones out and have them cheer on their county from a young age in our Antrim kids’ range. We have supporters leisurewear to suit all ages including polo shirts, sweatshirts, jackets and much more.