Thinx are washable, reusable period underwear. They look and feel just like normal underwear. These boyshorts are great under jeans and the perfect solution to wear under short dresses or skirts. Featuring a three-layer gusset that keeps you fresh and dry, this moderate absorbency pair of boyshorts can hold up to three tampon’s worth of menstrual blood. Simply toss them in the wash and line dry after use.