Underwear
Underwear, or underpants, was clothing worn next to the skin and underneath other clothing. Female underwear was sometimes known as lingerie or panties. Female underwear included a bra for covering breasts.

In 1986, when Spock swam in the whale tank at the Sausalito Cetacean Institute to mind meld with George and Gracie, he swam in his underwear. ()

Like other garments, underwear could be made to withstand a variety of conditions, including fire. In 2152,  rebuffed T'Pol's suggestions that he push the engines of  to their limits by saying that his underwear was flame-retardant, but he wasn't going to light himself on fire to prove it. ()

Captain Jonathan Archer used to sleep in underwear but put on a shirt before contact with other people. ()

Travis Mayweather was in his underwear when he received a call from Captain Jonathan Archer who was asking if he could come done to launch bay one. ()

In 2259 of the alternate reality,  took a peek at  and saw her in her underwear when she was changing. ()

Kalo and a second Iotian hood were forced to sit in their underwear after James T. Kirk and Spock borrowed their clothes to fit in as Iotian gangster. ()

Li Nalas was remembered as having killed Gul Zarale, an infamous Cardassian military leader on Bajor, in single combat, but he had actually shot Zarale while he was unarmed and in his underwear. ()

In 2371, B'Elanna Torres accidentally walked in on a crewman who was wearing only his underwear when the ship was experiencing spacial distortions caused by an energy field. ()

See also 
 Starfleet uniform underwear

External link

de:Unterwäsche
Clothing