Seattle Mariners 1979 All Star Game New Era 59Fifty Fitted Hat (Glow in the Dark Grey Yellow Under Brim) Size:7 3/4 white and deep purple

white and deep purple

Pittsburgh Pirates 2006 All Star Game New Era 59Fifty Fitted Hat is Black and Blue Under Brim

The Teenage Mutant Ninja Turtles New Era 59Fifty Fitted Hat in BLACK & Green Under Brim

The Mariners New Era 59Fifty Fitted Hat is Navy & Maroon with Gray Under Brim

This Florida Marlins New Era 59FIFTY Fitted Hat is gray with a black brim and lime green and gray logo

Seattle Mariners 1979 All Star Game New Era 59Fifty Fitted Hat (Glow in the Dark Grey Yellow Under Brim) Size:7 3/4 white and deep purpleSeattle Mariners 1979 All Star Game New Era 59Fifty Fitted Hat is Grey with Yellow 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.