Oakland Athletics 1989 Battle of the Bay World Series New Era 59Fifty Fitted Hat (Glow in the Dark Black Metallic Copper Purple Under Brim)Sold Out
Oakland 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.