Sometimes you just need to go back to the basics, like with this Mens Batman Muscle Tank! The DC Comics Mens Shirt is an all black mens sleeveless shirt with a crew neck design. The Batman Muscle Shirt is made of 50% polyester and 50% cotton material so it's durable and comfortable. The DC Comics Shirt features a bright, bold yellow Bat signal across the front of the tee. The Batman Mens Shirt is machine washable and easy to care for.