Arizona Diamondbacks 10th Anniversary New Era 59Fifty Fitted Hat in Khaki & Mint Under Brim

Florida Marlins 10 Anniversarys New Era 59Fifty Fitted Hat in Navy & Grape Under brim

Oakland Athletics 1972 World Series New Era 59Fifty Fitted Hat in Gold & Pink Under Brim

Tampa Bay Devil Rays 1998 Inaugural Season New Era 59Fifty Fitted Hat in Lava Red & Sky Blue Under Brim

Detroit Tigers New Era 59Fifty Fitted Hat is Navy & White with Gray Under Brim

Oakland Athletics 1987 All Star Game New Era 59Fifty Fitted Hat (Red Black Gray Under Brim) 70611251 Arizona Diamondbacks 10th Anniversary NewOakland Athletics 1987 All Star Game New Era 59Fifty Fitted Hat in Red, Black and Gray Under Brim. Side 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 (or bright light)