The product is a J.Crew women's navy short-sleeve pajama shirt in size M. It is made from 100% cotton with a solid navy color and white trim. The pajama shirt features a collared neckline, button closure, and is lightweight, making it perfect for wearing in the summer, fall, and spring seasons. Machine washable for easy care, this pajama top is a stylish and comfortable addition to any woman's sleepwear collection.