Oakland Athletics 1989 Battle of the Bay World Series New Era 59Fifty Fitted Hat (Glow in the Dark Black Metallic Copper Purple Under Brim) 70607391 Lucky Clover Chicago White Sox

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Oakland Athletics 1989 Battle of the Bay World Series New Era 59Fifty Fitted Hat (Glow in the Dark Black Metallic Copper Purple Under Brim) 70607391 Lucky Clover Chicago White SoxOakland Athletics 1989 Battle of the Bay World Series New Era 59Fifty Fitted Hat in Black, Metallic Copper with Purple Under Brim. Logo: Glow in the Dark How to make Patch Glow in the Dark: Simply Expose Logo to Sunlight (or bright light) for at least one full minute to activate the green phosphorescent glow. The longer it is exposed, the longer and brighter the afterglow will be.