This shirt is officially licensed Pink Floyd merchandise. Pink Floyd was a psychedelic pop group from the '60s formed in London by Syd Barrett, Nick Mason, Roger Waters, and Richard Wright. They are known for experimentation, creative and elaborate shows, and philosophical lyrics. Pink Floyd's Dark Side of the Moon was the eighth studio album and had themes within the songs that focused on conflict, greed, and mental illness. The album is among the most critically acclaimed records for one of the most commercially successful bands. This shirt showcases a uniquely detailed front design of a Pyramid resting on the clouds and surrounded by lightning, all within an incredible setup of an Astronaut Helmet. A Pink Floyd Dark Side Of The Moon Script Pattern is encircled around the design and made of 100% cotton.