CAT LOVER'S UNITE! The most PURRRFECT pajama pants really do exist. The Check Meowt lounge pants by Brief Insanity feature an all-over kitty design that will melt your cat-loving heart. There are plenty of cute kitties to keep you happy throughout the night. The innovative material used to create this product is a specialized polyester blend that mimics the temperature of your body. The light-weight and breathable material provides all-day comfort while wearing.