Soft comfort, modern style. Our soma intimates exclusive cool nightsâ® rib nightshirt is always a winner, featuring a sleek shape made from our soft cool nightsâ® fabric. This long-sleeved sleepshirt is designed to stay cool to the touch, so you get a great night's sleep. Perfect for lounging, too, it's a must-have for downtime. Detailscool nightsâ® fabric is made with lightweight rayon fibers that stay cool to the touch and keep the fabric from sticking to your body. Long sleeves. V-neck. 38 from shoulder. 98% rayon, 2% spandex. Machine wash. Imported.