Being comfortable is Key to happy bamboo period underwear. With naturally cooling and breathable bamboo and moisture wicking cotton, its like wearing regular underwear but with 3 layer protection. For light to moderate flow days or as backup for heavy days. The kanta active midrise hipster features full rear coverage that takes you during the day or at night. Ingredients: Body 95% bamboo viscose, 5% spandex lining, 95% cotton, 5% spandex gusset, 100% polyester with pu film.