Flannel Footed Pajamas

footed pajamas
The blanket sleeper (also known by many other synonyms and trade names) such as is a type of especially warm sleeping garment worn primarily during the winter in the United States and Canada. The garment is worn especially by infants and young children.

flannel
(usually in the plural) trousers made of flannel or gabardine or tweed or white cloth
Men's trousers made of such material
A washcloth
washcloth: bath linen consisting of a piece of cloth used to wash the face and body
a soft light woolen fabric; used for clothing
A kind of soft-woven fabric, typically made of wool or cotton and slightly milled and raised