In Fille en costume, we see a young girl dressed in a traditional costume. The colors are soft and warm, with rich reds and golds dominating the palette. The background is subtly blurred, focusing our attention on the girl’s delicate features.

Her expression is serene, suggesting a moment of quiet contemplation. The painting is executed in oil on canvas, a medium that allows for rich texture and depth. The artist employs a realistic style, capturing the intricate details of the costume and the girl's expression. The brushwork is smooth, contributing to the lifelike quality of the portrait.

The dimensions are approximately 60 x 80 cm, making it a medium-sized work. Léon François Comerre was known for his portraits of young women and children, often dressed in traditional attire. Fille en costume reflects the academic style of the late 19th century, emphasizing realism and detail. An interesting fact about this work is its ability to convey both innocence and cultural heritage through the girl's attire.

Comerre's works are celebrated for their elegance and charm.