100% Cotton Premium Pre-Shrunk T-Shirt - Machine Washable at Supermanstuff.com! Get All of Your Superhero Needs in One Place! But wait, there's more! This pre-shrunk 100% cotton t-shirt is not only premium quality, but also machine washable for your convenience (because no one has time for hand-washing). Get all your superhero gear in one place, no need to go searching for any more!