The success of astronauts in performing Extra-Vehicular Activity (EVA) is highly dependent on the performance of the spacesuit they are wearing. Since the beginning of the Space Shuttle Program, one basic suit design has been evolving. The Space Shuttle Extravehicular Mobility Unit (EMU) is a waist entry suit consisting of a hard upper torso (HUT) and soft fabric mobility joints. The EMU was designed specifically for zero gravity operations. With a new emphasis on planetary exploration, a new EVA spacesuit design is required. Now the research scientists are working hard and striving for the new, lightweight and modular designs. Thus they have reached to the Red surface of Mars. And sooner or later the astronauts will reach the other planets too. This paper is a review of various types of spacesuits and the different fabrics required for the manufacturing of the same. The detailed construction of EMU and space suit for Mars is discussed here, along with certain concepts of Biosuit- Mechanical Counter pressure Suit.
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