Evolution of the Space Suit [Infographic]
Two types of pressurized suits are in use today: “escape suits” worn inside the craft during launch and landing, and full “EVA” suits worn for working in the vacuum of space. NASA escape suits are colored International Orange for easy spotting by rescuers in the event of an emergency landing. Passengers on Russian and Chinese vehicles wear similar gear.
Source Space.com: All about our solar system, outer space and exploration