In Petite fille au pull rouge, we see a young girl wearing a bright red sweater. The background is muted, allowing the vibrant color of her sweater to stand out. Her expression is thoughtful, adding a sense of depth to the portrait.

The use of light and shadow creates a gentle atmosphere around her. The painting is executed in oil on canvas, showcasing Spilliaert's skill in blending colors. The brushwork is delicate, particularly in the rendering of the girl's hair and facial features. The dimensions are approximately 50 x 70 cm, making it a modest-sized portrait.

The composition focuses on the girl, drawing the viewer's attention directly to her. Léon Spilliaert was a Belgian artist known for his Symbolist style, often exploring themes of solitude and introspection. This work, painted around the early 1900s, reflects his interest in capturing the inner life of his subjects. An interesting fact about this painting is how the red sweater symbolizes warmth and innocence, contrasting with the more subdued tones of the background.

Spilliaert's unique approach to portraiture sets this piece apart in his oeuvre.