This Friday the 13th t-shirt features a distressed image of Jason Voorhees' hockey mask. With his iconic mask, Jason has become one of the most popular characters in the history of horror movies! When Jason Voorhees was tired of wearing a sack over his head, he found a hockey mask in Friday the 13th Part 3. Jason continued to wear a hockey mask in each of the following Friday the 13th movies. The hockey mask made Jason instantly recognizable, and the unstoppable killer was on his way to become a horror legend!