L.L. Bean M Blue Grey Plaid Flannel Nightgown Modest Cotton Soft Cozy Warm EUC! The L.L. Bean Blue Grey Plaid Flannel Nightgown is a cozy and warm piece made from 100% cotton flannel. This long-sleeve gown features a button closure and a comfortable, soft design, perfect for the winter and fall seasons. The blue plaid pattern gives it a classic and 90s-inspired look, making it a comfortable and stylish addition to any woman's sleepwear collection. Gown is 46 inches in length.