A little wonder, every day
The astronauts’ MAG garment
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NASA patent drawings showing material layers and a garment form for the MAG. Source: NASA Spinoff, https://spinoff.nasa.gov/sites/default/files/2023-08/Cleanwaste.Patent.jpg. NASA credit; public-domain US federal government work.
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During launch, landing, and spacewalks, astronauts may remain in a sealed spacesuit for long periods and cannot simply take it off to use a toilet. NASA calls the absorbent garment worn during these periods the Maximum Absorbency Garment (MAG). It is specialized absorbent clothing for spaceflight: its layers wick moisture away, while a polymer inside absorbs urine and turns it into a gel, helping keep the astronaut drier while working.

