Soma’s exclusive Cool Nights PJs always feel cool and comfy against your skin for the best night’s sleep. With this timeless notch-collar pajama top, the rest is easy.. Comfortable style from Soma Intimates. DetailsCool Nights fabric is made with lightweight rayon fibers that stay cool to the touch and keep the fabric from sticking to your body.Notch collar.Short sleeves.Button front.Chest pocket.Irritation-free covered neck seam.Piping trim.Approximately 27" from shoulder.93% rayon, 7% spandex. Machine wash. Imported.