Cotton Pajamas Pants

pajamas
(pajama) (usually plural) loose-fitting nightclothes worn for sleeping or lounging; have a jacket top and trousers
(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.
A suit of loose pants and jacket or shirt for sleeping in
A pair of loose pants tied by a drawstring around the waist, worn by both sexes in some Asian countries

cotton
soft silky fibers from cotton plants in their raw state
take a liking to; "cotton to something"
A thread of this fiber
Absorbent cotton
A soft white fibrous substance that surrounds the seeds of a tropical and subtropical plant and is used as textile fiber and thread for sewing
fabric woven from cotton fibers

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