Made from ethically sourced cotton, Asan leak proof period pants are breathable and ultra comfortable. Our washable menstrual underwear is designed with advanced absorbency technology and provides odor free protection for up to 12 hours. Wear these period knickers overnight, at the gym, or to work for all day comfort. These period pants are available in Light Medium and Heavy Flow options to support you throughout your cycle. They are suitable for women and teens. Certified PFAS free according to OEKO TEX safety standards. Soft, breathable, and reusable for up to two years.