The Jolliest and Greenest of Giants? A nuclear power plant, of course. Proceeds from this shirt design will go to the effort to save Byron (which inspired this design) and Dresden Nuclear Plants in Illinois.
You can learn more about that campaign and help make a difference here: http://www.generationatomic.org/take-action/save-illinois-byron-and-dresden
About the shirt: This crowd favorite features a crew neck, short sleeves and a standard fit. Solid colors are made out of 100% Airlume combed and ring-spun cotton, 32 single 4.2 oz. (Ash - 99% Airlume combed and ring-spun cotton, 1% poly); while heather/CVC colors feature 52% Airlume combed and ring-spun cotton, 48% poly blend. Care Instructions: Machine wash and tumble dry on low.