Oktoberfest costumes womens typically consist of traditional Bavarian clothing known as "Dirndl." A Dirndl is a dress with a tight-fitting bodice, a low-cut neckline, a full skirt, and an apron. When looking for Oktoberfest costumes for women, you can check online retailers, local costume shops, or specialty stores that offer traditional Bavarian clothing. Make sure to consider the quality, fit, and authenticity of the costume to ensure an authentic Oktoberfest experience.