From McCall's:
Ladies & Misses' Lounging Pajamas.
Recommended Fabrics: Madras, Crepes, Chambray, Tie Silk, Moire, Wash Silks. Made from silk, cotton rayon or other synthetic fibres.
Sizes: 12-14-16-18-36-38-40,
to fit bust/chest 30" - 42", hip 33" - 45"