Alexander del Rossa Women's Cotton Flannel Nightgown button down Alexander del Rossa Women's Cotton Flannel Sleep Dress is the softest piece of clothing you could ever relax in. This nightgown is warm and lightweight, making it comfortable in every way. It features a full length design that helps keep your whole body warm and covered without weighing you down. The easy to wash design allows for low heat machine washing with your other garments. Great as a gift!