Celebrate the Oklahoma City Thunder's 2025 NBA Finals victory with our limited edition Championship Tee. Featuring Shai Gilgeous-Alexander's signature, this tee is a must-have for every fan. Crafted from premium cotton for ultimate comfort, it lets you showcase your team pride in style. Thunder Up! The franchise began as the Seattle SuperSonics in 1967 before relocating to Oklahoma City in 2008, becoming the Thunder. The team name represents the power and intensity of Oklahoma's frequent thunderstorms. Known for their passionate fanbase and electric atmosphere at Paycom Center, Thunder fans create one of the loudest environments in the NBA, earning the arena the nickname "Loud City.