The plural form of dirndl is dirndls.
A Dirndl is a type of traditional dress worn in southern Germany and Austria, based on the historical costume of Alpine peasants. Dresses that are loosely based on the the dirndl are known as Landhausmodn
Dirndl
It is clothing for females
Dirndl
Young German boys used to wear lederhosen and many tourists consider these a traditional German costume. For the ladies, the dirndl top is a reminder of a visit to Germany. A dirndl top has a closefitting bodice with an apron in a different color.
Perhaps that would be the dirndl.
Flat shoes that lace up.
dirndl
Dirndl - Traditional Bavarian Dress Dress
dirndl
They traditionally wear the dirndl.