What did Madame Ratignolle have Mrs Pontellier making?

The women were cutting out patterns for winter, baby clothing.

She had brought the pattern of the drawers for Mrs. Pontellier to cut out—a marvel of construction, fashioned to enclose a baby’s body so effectually that only two small eyes might look out from the garment, like an Eskimo’s. They were designed for winter wear, when treacherous drafts came down chimneys and insidious currents of deadly cold found their way through key-holes.