One of the signs accompanying the ICG. It reads
Clothing and Medical Care
During flight, the Apollo astronauts took off their bulky spacesuits. The
lightweight garments underneath were designed for comfort and constant medical
The constant-wear garment was made of porous cotton and contain small pockets that held
dosimeters used for monitoring radiation exposure.
Through slits in the constant-wear garment, electrodes from the biomedical
harness, attached to the skin, recorded data on heart rate, body
temperature, and other vital signs.
The two-piece coverall, or in-flight suit, was constructed of Beta cloth, a
special fireproof material. The coverall provided warmth, and the pockets on
the legs were used to stow personal items.