Step into legendary style with the Nike Ken Griffey Jr. Seattle Mariners Cooperstown Collection Name & Number T-Shirt This premium shirt features a lightweight jersey fabric and a standard fit, ensuring all-day comfort while you showcase your Seattle Mariners pride. With a screen-printed team logo on the front and Ken Griffey Jr.'s name and number on the back, this cotton T-shirt is the perfect way to honor a Seattle Mariners icon.