Cheer your MLB team onto victory this season with the New Era Seattle Mariners Sport Stretch-Snap Snapback Hat. This Seattle Mariners hat is a perfect way to display your loyalty to your favorite MLB team. Whether you’re cheering from the stands or the couch, make sure you are geared up to cheer the Seattle Mariners onto a win with the New Era Seattle Mariners Sport Stretch-Snap Snapback Hat.