Personalized Country Code Ireland Youth T-Shirt. Irish pride Youth T-Shirt - White with the three letter country code for Ireland, IRL, in the colors of the Irish flag. Perfect for St. Patrick's Day. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.