Even though most real female pirate dressed as men 300 years ago, most of today's women like to portray Lady Pirates. We sell many different skirts that can be worn on top of each other in layers.
Women of the time commonly wore two or more skirts: an outer skirt n' inner skirts. Underskirts be commonly called petticoats. Petticoats were often designed to be seen, not merely hidden below the upper skirt. We now even carry the half skirt or what ye might call a mini-skirt.
How to Drape a Pirate Skirt Video