This is a cute dress for Hitty to do her painting in. She has a painting apron to put around it.
On her many travels she always sketched and painted the world around her. Read more in her book (Hitty, Her first Hundred Years). This book gives us a glimpse into the life of a child in the United States of America as the country was unfolding.
Just in case it is cold she has a wrap that was knitted by her mother and has fringe on the edges.