This shirt features a logo representing the Hammerskins, a fictional neo-nazi group based in Pink Floyd's movie "The Wall". They are portrayed as a very negative group in the movie and shine a light on how horrible white supremacy is.
Pink Floyd is a well known and loved psychedelic band that helped lead a progressive rock movement through the '60s and '70s. They are known for their hypnotizing melodies and political lyrics. Listening to Pink Floyd will have you feeling like you are floating on a cloud through a transcendental sky. There is a reason they're viewed as one of the greatest bands of that era.