The product is a vintage Ebbets Field Flannels Notre Dame Leprechaun authentic wool hat in size 7 1/4. It is officially licensed by the NCAA and features the team's signature green color. The hat is a unique piece of fan apparel for supporters of the Notre Dame Fighting Irish football team. Made in the USA, it is a must-have for collectors and fans looking to showcase their team pride in a stylish and high-quality accessory.