Oakland Athletics 1989 Battle of the Bay World Series New Era 59Fifty Fitted Hat (Glow in the Dark Black Gray Under Brim) 70613252 New York Yankees 1999 World

New York Yankees 1999 World Series New Era 59Fifty Fitted Hat in Rust Orange & Sky Blue Under Brim

The 100% seamless wool cap is the ultimate cap for comfort & style

HALFTIME x Champion Reverse Weave Hoodie in Gray

Black & Red Under Brim

Montreal Expos New Era 59FIFTY fitted Hat is Green based and features a Cardinal

Oakland Athletics 1989 Battle of the Bay World Series New Era 59Fifty Fitted Hat (Glow in the Dark Black Gray Under Brim) 70613252 New York Yankees 1999 WorldOakland Athletics 1989 Battle of the Bay World Series New Era 59Fifty Fitted Hat in Black with Gray 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.