Kids Thermal Pajamas

thermal
A thermal garment, esp. underwear
of or relating to a hot spring; "thermal water"
An upward current of warm air, used by gliders, balloons, and birds to gain height
rising current of warm air
relating to or associated with heat; "thermal movements of molecules"; "thermal capacity"; "thermic energy"; "the caloric effect of sunlight"

pajamas
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
(pajama) a pair of loose trousers tied by a drawstring around the waist; worn by men and women in some Asian countries
(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.

kids
Deceive or fool (someone)
(kid) child: a young person of either sex; "she writes books for children"; "they're just kids"; "`tiddler' is a British term for youngster"
Deceive (someone) in a playful or teasing way
(kid) pull the leg of: tell false information to for fun; "Are you pulling my leg?"
(kid) be silly or tease one another; "After we relaxed, we just kidded around"