Add this strappy sleepshirt to your pajama collection this season for a cool-to-the-touch fabric feel on the warmest of evenings. With over 20 million sold, Cool Nights® PJs help tons of women get a good night's sleep. Look for a Cool Nights® robe in a matching print or coordinating solid to create a perfect-for-you PJ ensemble. Details V-neck Racerback Online Exclusive 36" on body Cool Nights® is made with lightweight rayon fibers that stay cool to the touch and keep the fabric from sticking to your body. 93% Rayon, 7% Spandex. Machine wash cold.