Astronaut and Alien Costumes for Men -- Who hasn't thought about space and what it would be like to go there? We offer a variety of men's costumes perfect for traveling to outer space. Make sure you have the right accessories to accompany you on your trip... but be careful of those aliens! Who wants to run into the Predator Alien? These masks look so real, everyone will be scared of you! You'll find all the best men's astronaut costumes and alien costumes right here!