Over 20 million Cool Nights® PJs sold. With this soft, flowy chemise—with just the right amount of support built right in—you'll never question what to wear to bed again. Details Shelf bra Piping detail Adjustable straps V-neck + v-back 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.