Knit Pajama Set

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

knit
a basic knitting stitch
Knit with a knit stitch
make (textiles) by knitting; "knit a scarf"
Make (a stitch or row of stitches) in such a way
a fabric made by knitting
Make (a garment, blanket, etc.) by interlocking loops of wool or other yarn with knitting needles or on a machine

set
A group or collection of things that belong together, resemble one another, or are usually found together
A group of people with common interests or occupations or of similar social status
put: put into a certain place or abstract location; "Put your things here"; "Set the tray down"; "Set the dogs on the scent of the missing children"; "Place emphasis on a certain point"
a group of things of the same kind that belong together and are so used; "a set of books"; "a set of golf clubs"; "a set of teeth"
A collection of implements, containers, or other objects customarily used together for a specific purpose
fit(p): (usually followed by `to' or `for') on the point of or strongly disposed; "in no fit state to continue"; "fit to drop"; "laughing fit to burst"; "she was fit to scream"; "primed for a fight"; "we are set to go at any time"