Cool Nights® Pajamas are loved by millions of women thanks to their softness, stretch, and lightweight fabric that’s always cool-to-the touch. Tank sleepshirts are a bedtime basic for warm nights and this one features a relaxed fit and high side slits for ease of movement for a restful night's sleep. Pop on a coordinating Cool Nights® robe when you need a light layer. Details Sleeveless sleepshirt High neckline 14.5" side slits for ease of movement 50" on body Online Exclusive 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.