Lids offers a great selection of officially licensed Ken Griffey Jr. Mariners jerseys available in a variety of styles to fit any gameday look. Snag an authentic Seattle Mariners Ken Griffey Jr. Cool Base jersey or go old school with a Mariners throwback jersey. We have the perfect Ken Griffey Jr. Mariners jersey to represent your favorite player whenever you watch the game, so shop with us at the official Lids Seattle Mariners Shop today! Be sure to also check out the rest of our assortment, including Mariners flex base jerseys, replica jerseys, as well as new additions for every event.