In Portrait of a Man, Gustave Caillebotte presents a male figure dressed in formal attire. The colors are muted, with a palette dominated by browns, grays, and soft whites. The background is simple, allowing the figure to stand out prominently.

The subject's expression is serious, inviting the viewer to ponder his thoughts. The painting is executed in oil on canvas, showcasing Caillebotte's skill in capturing realistic details. The brushwork is precise, particularly in the rendering of the fabric and the subject's facial features. The dimensions are approximately 65 x 80 cm, making it a medium-sized portrait.

The composition is balanced, with the figure centrally placed against a neutral background. Gustave Caillebotte was a key figure in the Impressionist movement, yet he often leaned towards realism in his portraits. This work, created in the 1870s, reflects his ability to blend these styles effectively. An interesting fact about this painting is that it was part of a collection that aimed to showcase modern life in Paris.

Caillebotte's portraits often reveal the social dynamics of his time, making them significant historical documents.