BATTLE OF THE BAY San Francisco Giants 1989 World Series Patch New Era 59Fifty Fitted Hats (Glow in the Dark Patch BLACK Floral UNDER BRIM) Size:7 1/4 Its finished off with a

Its finished off with a grey under Brim

Boston Redsox New Era 9Fifty Snapback hat in Navy

and a tall hat originally designed as a rumpled fedora

The logo itself features black

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BATTLE OF THE BAY San Francisco Giants 1989 World Series Patch New Era 59Fifty Fitted Hats (Glow in the Dark Patch BLACK Floral UNDER BRIM) Size:7 1/4 Its finished off with aBATTLE OF THE BAY San Francisco Giants 1989 World Series Patch New Era 59Fifty Fitted Hats in Black & Floral Under Brim Allergy Pack Patch: Glow in the Dark How to make Logo 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.