Here is yet another 100% cotton Batman shirt for your collection! Hey, you need a Batman shirt for every day...maybe even a morning Batman shirt and an evening one. That's the proper way of doing things, anyways. The Batman Symbol Light Grey T-Shirt is a soft grey t-shirt made from a sophisticated blend of cotton(meaning soft) and showing off the almost-required classic Batman symbol. With the Batman Symbol Light Grey 30 Single T-Shirt, you may be able to trick Michael Caine into following you around.