Celebrate the St. Louis Cardinals 1964 World Series side patch with this custom-fitted from Exclusive fitted! A Red, yellow undervisor is a serious game changer. Even in a subtle place such as the undervisor, it’s hard to miss the detailing on the bubbly-colored brim. Paired with the 1964 World Series side logo, this is a St. Louis Cardinals hat for the ages. Bring a little pop into your life with our “Yellow Bottom” fitted. The always classic interlocking Cardinals World Series treatment with this clean entry from Exclusive Fitted.