Now you're all set. This Cool Nights® pajama set gives you the cool comfort you need for a great night's sleep. The lacy tank and coordinating shorts are made from our Soma Intimates exclusive Cool Nights® fabric, designed to stay cool to the touch, so you can rest easy.DetailsCool Nights® fabric is made with lightweight rayon fibers that stay cool to the touch and keep the fabric from sticking to your body.V-neck.Sleeveless.Elasticized waist.4" inseam.93% rayon, 7% spandex. Machine wash. Imported.