NWT Size Medium Joyspun Women's Print Flannel Sleep Pants. These cozy woven Sleep Pants from Joyspun are your new bedtime luxury, crafted with a relaxed fit in a brushed cotton blend for a delightfully soft and warm feel. Destined to be your new favorite, with an adjustable drawstring waist and trendy chop pockets to hold your phone and other essentials. •Material: 53% Cotton/27% Rayon/20%