New York Yankees 2003 World Series New Era 59Fifty Fitted Hat (Glow in the Dark Navy Sky Blue Under Brim) Size:7 1/8 The under brim is gray

The under brim is gray to give it that retro feel

Arizona Diamondbacks New Era 59Fifty Fitted hat is done in the old school team colors of Black Metallic Copper and Purple with a Gray under brim

It's finished off with a grey undervisor to give it that classic feel

Sky and Red

New York Yankees 1999 World Series New Era 59Fifty Fitted Hat in Navy & Dark Floral Pattern Under Brim

New York Yankees 2003 World Series New Era 59Fifty Fitted Hat (Glow in the Dark Navy Sky Blue Under Brim) Size:7 1/8 The under brim is grayNew York Yankees 2003 World Series New Era 59Fifty Fitted Hat in Navy & Sky Blue Under Brim. Logo: Glow in the Dark 100% Polyester 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.