Cool Nights® Pajamas are loved by millions of women thanks to their softness, stretch, and lightweight fabric that’s always cool-to-the touch. Lightweight long sleeves and functional button-front design make this the essential pajama top to keep you cozy between the sheets. Look to our Cool Nights® sleep separates in exclusive prints and versatile solids to mix, match + layer your way to a perfect-for-you pajama wardrobe. Details Long-sleeve pajama top Notch collar Double piping constrast detailing Button-front closure 2" side slits 27" 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.