Oakland Athletics 1972 World Series Champion Patch New Era 59Fifty Fitted Hats (Green Yellow Green Under Brim) Size:7 1/2 Simply Expose Logo to Sunlight

Simply Expose Logo to Sunlight (or bright light) for at least one full minute to activate the green phosphorescent glow

Also 2000 - 2006 Game Hat

The Filipino New York Yankees New Era 59Fifty Fitted Hat is Black on Black

Chicago Bulls New Era 59Fifty Fitted Hat in black with a red brim and Gray Under Brim

Oakland Athletics 1972 World Series Champion Patch New Era 59Fifty Fitted Hats (Green Yellow Green Under Brim) Size:7 1/2 Simply Expose Logo to SunlightOakland Athletics 1972 World Series Champion Patch New Era fitted hats in TEAM COLOR with Champion SIDE PATCH Oakland Athletics 1972 World Series Champion Patch New Era fitted hats in TEAM COLOR with Champion SIDE PATCH