America's Pastime is heading across the pond to play in London and you're fired up to see all the action when the St. Louis Cardinals and Chicago Cubs take to the diamond. Commemorate this historic two-game series with this St. Louis Cardinals 2023 MLB World Tour: London Series Flag 59FIFTY hat from New Era. This fitted cap features the team graphic embroidered front and center along with the Union Jack on the left side which makes it a fitting keepsake long after the series draws to a close.