Keep your cool as you sleep or lounge in our cool nights pajama pants. They're super soft and oh, so comfortable for sleeping or relaxing—you may never want to take them off. Detailscool nights fabric is made with lightweight rayon fibers that stay cool to the touch and keep the fabric from sticking to your body. Shirred elastic waistband with drawstring. Modern, relaxed fit. Approximate inseam: 27". 93% rayon, 7% spandex. Machine wash. Imported.