"Polyester is a light and stretchy fabric with elegant texture, silky feel and better breath ability. These ladies' pajamas are incredibly soft, and they may be the softest and most comfortable pajamas you have ever worn. More cost-effective, worthy of your own, to provide you with a luxurious sleep experience. If you often sweat, this pajama set is your best choice, because it has excellent moisture ability to keep your skin cool and comfortable all night long. The long-sleeved pajamas are comfortable and elegant, even if the guests come suddenly, they will not be embarrassed. Enjoy life, starting with pajamas. "