These are Officially Licensed Pink Floyd Pajama Pants for men or women!. Pink Floyd was a psychedelic pop group from the 60's that formed in London by Syd Barrett, Nick Mason, Roger Waters, and Richard Wright. Known for experimentation, creative and elaborate shows and concerts, and philosophical lyrics. Pink Floyd's Dark Side of the Moon was the eighth studio album. The album is among the most critically acclaimed records in history and the most commercially successful. If you are a fan of the rock band and this incredible album, you can grab these super comfy PJ pants. Each lounge pant is made of soft cotton fabric that will have you wanting to wear them and snuggle up to listen to a great album, watch a good movie or read a book every day! They feature a lace drawstring closure made of super sturdy fabric that won't run.