Boys Fleece Pajama Pants

fleece
the wool of a sheep or similar animal
overcharge: rip off; ask an unreasonable price
Obtain a great deal of money from (someone), typically by overcharging or swindling them
Cover as if with a fleece
shear the wool from; "shear sheep"

pajama
(usually plural) loose-fitting nightclothes worn for sleeping or lounging; have a jacket top and trousers
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 pair of loose trousers tied by a drawstring around the waist; worn by men and women in some Asian countries

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

boys
A male child or young man who does a specified job
(boy) male child: a youthful male person; "the baby was a boy"; "she made the boy brush his teeth every night"; "most soldiers are only boys in uniform"
A male child or young man
(boy) a friendly informal reference to a grown man; "he likes to play golf with the boys"
(boy) son: a male human offspring; "their son became a famous judge"; "his boy is taller than he is"
A son