Our notch collar pajama top gives you classic style that's cool (and comfortable, too). Comfortable style with Soma Intimates. Details Cool Nights®® fabric is made with lightweight rayon fibers that stay cool to the touch and keep the fabric from sticking to your body. Button-front notch collar. Piping trim on collar, placket and cuffs. Approximately 27" from shoulder. 93% rayon, 7% spandex. Machine wash. Imported.