In Sitzendes Mädchen mit Hut, onanierend, we see a young girl seated, wearing a wide-brimmed hat. The colors are bold, with a palette of deep reds, greens, and yellows. Her pose is provocative, drawing attention to her body and expression.

The background is minimal, focusing the viewer's gaze on the figure. The painting showcases Schiele's characteristic line work and expressive use of color. The figure is rendered with exaggerated proportions, emphasizing the emotional intensity of the scene. Schiele often used oil on canvas, allowing for rich textures and vibrant hues.

The work reflects his unique approach to figurative art. Egon Schiele was a prominent figure in the Expressionist movement, known for his raw and emotional style. This work, created in the early 1910s, exemplifies his interest in sexuality and the human form. An interesting fact about this painting is its controversial subject matter, which sparked discussions about sexuality in art during Schiele's time.

Despite its provocative nature, it remains a significant piece in understanding early 20th-century art.