St. Patrick's Day Store - St. Patrick's Day Irish T-Shirts and Novelties. This section is all about the one day a year that everybody's Irish. Here at Gone Blue we know St. Patrick's Day is serious business; That's why we offer you the most extensive Selection of St. Patrick's Day merchandise on the web! We have it all, St. Patrick's Day Novelty T-shirts, Clothing and Flair as well as Necklaces, Irish Party Favors, and more! We offer every thing you need for your St. Patrick's day Celebration.