NASA stands for the National Aeronautics and Space Administration. They are an independent agency of the United States government responsible for aerospace research, and the civilian space program. This officially licensed men's union suit from MJC features a fun NASA inspired astronaut suit design. The costume sleeper has cuffed arms and legs for comfortable wear. Metallic fabric is used to make some of the design stand out. Made of 100% polyester with a tagless collar for cozy wear.