Black Plaid Pajama Pants

pajama
a pair of loose trousers tied by a drawstring around the waist; worn by men and women in some Asian countries
Pajamas, also spelled pyjamas (see also spelling differences) can refer to several related types of clothing. The original paijama are loose, lightweight trousers fitted with drawstring waistbands and worn in South and West Asia by both sexes.
(usually plural) loose-fitting nightclothes worn for sleeping or lounging; have a jacket top and trousers

black
the quality or state of the achromatic color of least lightness (bearing the least resemblance to white)
blacken: make or become black; "The smoke blackened the ceiling"; "The ceiling blackened"
Make black, esp. by the application of black polish
Make (one's face, hands, and other visible parts of one's body) black with polish or makeup, so as not to be seen at night or, esp. formerly, to play the role of a black person in a musical show, play, or movie
being of the achromatic color of maximum darkness; having little or no hue owing to absorption of almost all incident light; "black leather jackets"; "as black as coal"; "rich black soil"

plaid
Any cloth with a tartan pattern
A long piece of plaid worn over the shoulder as part of Scottish Highland dress
tartan: a cloth having a crisscross design
Plaid is a London-based British electronic music duo comprising Andy Turner and Ed Handley. They are former members of The Black Dog and used many other names, such as Atypic (Andrew Turner) and Balil (Ed Handley), before settling on Plaid.
Checkered or tartan twilled cloth, typically made of wool
Plaid is the second studio album by guitarist Blues Saraceno, released in 1992 on Guitar Recordings.

pants
bloomers: underpants worn by women; "she was afraid that her bloomers might have been showing"
(pant) the noise made by a short puff of steam (as from an engine)
Trousers
Rubbish; nonsense
(pant) breathe noisily, as when one is exhausted; "The runners reached the finish line, panting heavily"
Underpants