Astronauts wear special space suits that provide a pressurized environment, oxygen supply, and protection against extreme temperatures and radiation. The suits are crucial to the astronauts' survival in the harsh environment of space. They are also designed to be mobile and allow astronauts to perform tasks such as spacewalks and repairs outside the spacecraft.

The space suit is a complex system consisting of several layers and components. The outermost layer is the pressure suit, which maintains a constant air pressure inside the suit and protects the astronaut from the vacuum of space. The pressure suit is made of a multilayered fabric that is both strong and flexible. The next layer is the thermal insulation layer, which keeps the astronaut warm in the cold vacuum of space. Finally, the innermost layer is the comfort layer, which provides padding and ventilation to keep the astronaut comfortable during long missions.

In addition to the pressure suit, astronauts also wear a helmet that provides a clear view of the surrounding environment and protects the head from impacts. The helmet is equipped with a visor that can be adjusted to block out sunlight and glare. Astronauts also wear gloves that provide dexterity and protection for the hands. The gloves are made of a special material that is resistant to punctures and tears.

The space suit is a critical piece of equipment for astronauts, and it allows them to function in the harsh environment of space for extended periods of time.