underwear only
Wearing only underwear by itself, such as a bra and panties, lingerie, boxers, etc.
Should not be used for sleepwear worn with underwear, such as camisoles, chemises, babydolls, negligees, nightgowns, undershirts, tank tops, etc. Thighhighs or socks may be worn.
If the character is wearing only a bra, add bottomless. If the character is wearing only panties or male underwear, add topless female or topless male.
Examples
See also
This tag implicates underwear (learn more).
