Step into the on-field look of the Notre Dame Fighting Irish players and staff for the 2026 season with this Sideline Long Sleeve T-shirt from Under Armour. This Performance Cotton T-shirt features screen print graphics on the front that clearly display your connection to the team. Built for peak athletic function, Heat Gear technology keeps you cool and comfortable, making this Notre Dame Fighting Irish piece the perfect choice for everything from sessions at the gym to Saturdays at the stadium.