This is an X-ray of the suit that Alan Shepard wore on the Moon in February 5, 1971, during the Apollo 14 mission spacewalks on the Fra Mauro formation. Nothing in the suit is superfluous.
Every single thing has a purpose: Protect astronauts from sure death. The right stuff for the guys with the Right Stuff. Check out the fascinating article at the [NYT]
via gizmodo
If x-ray is able to penatrate the suit and picture all the stuff within, imagine what cosmic rays and/or other radiations would do..! How are these suits safe to astronauts??