Nighty Designs Today the baby doll outfit is popularly worn as a nightgown. The top half gives shape to the cups of the bust and the lower half is a skirt. They have matching panties also available with baby doll garments, which can be bought separately if not attached with the garment. To make theoutfit look sexier, it is available in lace, satin, silk, ribbon, chiffon, mesh, with small bows and buckles on it, for special effect. Baby doll outfits are available in a range of materials, colors, designs, sizes and shapes. Most of them are usually sleeveless, but nowadays, they are available in spaghetti straps as well as strapless. The most important thing is that the outfit should be comfortable, only then will you enjoy wearing it.