95% cotton 5% spandex This series of products using elastic fiber + cotton woven, with good feel, elastic feet, easy to take care of the advantages of greater flexibility, can adapt to the needs of various parts of the body bending, not easy to wrinkle. "Baolei" elastic cotton underwear products are breathable and elastic, comfortable and not tight, soft and breathable, moisture absorption, sweat and skin comfort, so that you wear healthy.