The L.L.Bean Women's Mountain Classic Base Layer Pants are a reliable and functional option for women in need of durable flannel base layer bottoms. These pants are made from a blend of polyester and spandex, which offers excellent stretch and flexibility. The moisture-wicking fabric keeps you dry and comfortable, while the flatlock seams minimize chafing and irritation. With a wide waistband and a relaxed fit, these pants provide a comfortable and secure fit for all-day wear.