This black t-shirt features a humorous slogan for fitness enthusiasts. The design includes the text "REST DAY?" in bold white lettering, followed by "WHERE IS THAT 'REST' MUSCLE AND HOW DO I TRAIN IT?" The word 'REST' is emphasized in red. Made from a comfortable fabric, this tee is perfect for wearing to the gym or during casual workouts. It's also a great conversation starter for anyone who loves lifting and hates rest days. Show off your dedication to fitness with this unique and funny t-shirt.