Arizona Diamondbacks 2001 WORLD CHAMPIONS 20TH ANNIVERSARY New Era 59Fifty Fitted Hat (Glow in the Dark Tint Pewter Dark Green Under Brim) 70593613 Oakland Athletics 1989 World Series

Oakland Athletics 1989 World Series BATTLE OF THE BAY New Era 59Fifty Fitted Hat in Dark Green with Blue Under Brim

Houston Astros 50th Anniversary New Era 59Fifty Fitted Hat in Peach with a Sky Blue Under Brim

Philadelphia Phillies 2006 All-Star Games 59Fifty New Era Fitted Cap in Maroon with Sky Blue Under Brim

Scottsdale Scorpions 59Fifty New Era Fitted Hat is in Black

Arizona Diamondbacks 2001 WORLD CHAMPIONS 20TH ANNIVERSARY New Era 59Fifty Fitted Hat (Glow in the Dark Tint Pewter Dark Green Under Brim) 70593613 Oakland Athletics 1989 World SeriesArizona Diamondbacks 2001 World Champions 20th Anniversary New Era 59Fifty Fitted Hat in Tint, Pewter and Teal Under Brim. Logo: Glow in the Dark Glow in the dark only works when you charge the hat by exposing the hat in the light and then going into the darkness right away. It does NOT glow in the dark continuously or without charging. The glow in the dark effect fades fairly quickly. How to make Patch Glow in the Dark: Simply Expose Logo to Sunlight