The Men's League Collegiate Wear Heather Green Notre Dame Fighting Irish x Guinness Here Come the Irish Tri-Blend T-Shirt is the perfect way to show your support for the Fighting Irish. Made from a comfortable recycled polyester, cotton, and rayon blend, this shirt features screen print graphics that proudly display the Notre Dame Fighting Irish and Guinness logos. Whether you're cheering on the team at the stadium or just showing your Irish pride, this shirt is sure to become a favorite.