Flannel pajamas are comfortable sleepwear made from a soft, warm fabric called flannel. This material is typically made from cotton or a cotton blend, providing a cozy feel that is perfect for cooler weather. Flannel pajamas often come in various styles, including long-sleeve tops and pants, or shorts and short-sleeve tops for warmer nights. These pajamas are popular for their ability to retain heat while remaining breathable. They are available in many patterns and colors, making them a favorite choice for both adults and children. Many people enjoy wearing flannel pajamas during the winter months for added warmth and comfort.