Just because it's hot, doesn't mean you should be without your gear - this Batman Muscle Shirt is the perfect look for warm weather! The DC Comics Mens Shirt is an all black muscle tee with a sleeveless, crew neck design that is perfect for warm weather, casual wear. The Batman Muscle Tank features a unique, bold design of the Batman logo across the front of the tee. The DC Comics Shirt is made of 50% polyester and 50% cotton for a durable and comfortable design. The Batman Mens Shirt is machine washable and is the perfect gift for guys on any occasion!