San Francisco Giants 1989 World Series New Era 59Fifty Fitted Hat (Glow in the Dark Camel Dark Olive Green Under Brim) Drop090921 SF Giants color Way and

SF Giants color Way and Gray Under Brim

New York Yankees Subway Series Yankee Stadium New Era 59Fifty Fitted Hat in Team Color & Pink Under Brim

Glow in the Dark with Gray Under Brim

Retro Philadelphia Phillies Color Way

Custom Anaheim Angels New Era 59Fifty Fitted Hat

San Francisco Giants 1989 World Series New Era 59Fifty Fitted Hat (Glow in the Dark Camel Dark Olive Green Under Brim) Drop090921 SF Giants color Way andSan Francisco Giants 1989 World Series New Era 59Fifty Fitted Hat in Camel & Dark Olive Green 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.