San Francisco Giants 8X Championships New Era 59Fifty Fitted Hat (Glow in The Dark Black Gray Under Brim) 70602455 Boston Red Sox 8 WORLD

Boston Red Sox 8 WORLD SERIES CHAMPIONS New Era 59Fifty Fitted Hat is in Navy & Pink Under Brim

Chicago Cubs 2016 World Series New Era 59Fifty Fitted Hat in Blue with Gray Under Brim

This Cal Golden Bears New Era 5950 Fitted Hat is all navy

Modesto Athletics New Era 59Fifty Fitted Hat is in Black

San Francisco Giants 8X Championships New Era 59Fifty Fitted Hat (Glow in The Dark Black Gray Under Brim) 70602455 Boston Red Sox 8 WORLDSan Francisco Giants 8X Championships New Era 59Fifty Fitted Hat in Black & Gray Under Brim. Patch: 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.