This underwear is made of 95% cotton and 5%spandex material.It is your ideal underwear pant to replace your local pettycoat and also keep your inner body safe from germs.those who work out will find it very useful.all women who are fond of wearing skirts,please do not forget to order this underwear because it will save you from any embarassements that may happen when you fall and you only have your skirt on.