Polyester Pajama

polyester
a complex ester used for making fibers or resins or plastics or as a plasticizer
any of a large class of synthetic fabrics
A fabric made from polyester fiber
A synthetic resin in which the polymer units are linked by ester groups, used chiefly to make synthetic textile fibers
any of numerous synthetic resins; they are light and strong and weather resistant

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