What is pajamas made of?

Pajamas can be made from a variety of materials, including cotton, flannel, silk, and polyester. Cotton is popular for its breathability and softness, while flannel offers warmth and comfort for colder nights. Silk provides a luxurious feel and a smooth texture, while polyester blends are often used for durability and ease of care. The choice of fabric can affect the comfort, warmth, and style of the pajamas.