Snoopy cap

plural Snoopy caps

1. A piece of headgear worn by astronauts with built-in communications technology.

   SNOOPY CAP. This soft cap (4) contains earpieces and a microphone for radio communications.

   2018 September 29, Ian Graham, “Launch Day”, in You Wouldn't Want to Be on Apollo XIII!, Book House, →ISBN, page 10

   3 more examples

   Of course, the helmet and Snoopy cap headphone arrangement insulate astronauts from some of the noise.

   1997 February 5, R. Mike Mullane, Do Your Ears Pop in Space? and 500 Other Surprising Questions about Space Travel, Wiley, →ISBN, page 52

   An astronaut wears a close-fitting cap, called a Snoopy cap, which contains a radio for communications.

   2015 July 17, Dale Anderson, Ian Graham, Brian Williams, “Astronaut”, in Flight and Motion: The History and Science of Flying, Taylor & Francis, →ISBN, page 109

   Also known as the Snoopy cap, nicknamed after the Peanuts character whose ears it resembles,* the communications carrier assembly has two earphones and two microphones.

   [2020 October 6, John Rocco, “5: Staying Alive in Space”, in How We Got to the Moon: The People, Technology, and Daring Feats of Science Behind Humanity's Greatest Adventure, Random House Children's Books, →ISBN, page 150