Old Navy flannel pajama pants in a classic green and navy blue plaid pattern with red accents. These soft 100% cotton sleep bottoms feature a comfortable elastic waistband with an adjustable drawstring tie for the perfect fit. Designed for lounging or sleep, the straight-leg silhouette offers a relaxed feel in a mid-weight flannel fabric. Part of the Match the Fam collection, these versatile lounge pants are perfect for holiday coordinating or everyday comfort.