A man stands in three-quarter view against a pale wall, his body turned slightly to the left while his head faces forward, meeting the gaze directly. He wears a white cap wrapped around his head, its folds rendered with thick, textured brushwork, and his hair falls in loose curls to his shoulders. His face, illuminated from the left, is modeled with broad, confident strokes that capture the heavy eyelids, furrowed brow, and the subtle creases of age.

A fur-lined dark cloak drapes over his shoulders, revealing a deep red garment beneath, the color standing out against the otherwise muted palette. In his left hand, he holds a wooden palette, several brushes, and a maulstick, the tools angled outward and painted with rapid, gestural marks. His right hand rests on his hip, partly obscured by shadow, giving his stance a sense of firmness and self-possession.

Behind him, two large, incomplete circles are traced on the wall, their arcs faint but deliberate, intersecting the upper right and left of the composition. The background is a shallow, undefined space, its surface animated by visible brushstrokes and areas that appear unfinished, especially around the edges and lower half. Light falls most strongly on the face and chest, leaving the lower part of the figure and the left side in deep shadow, heightening the sense of volume and presence.

The paint surface varies from thick, impasto passages in the face and hat to thin, almost sketch-like handling in the hands and background. The composition centers the figure, whose gaze and pose give a sense of confrontation and authority within the frame. The painting belongs to the Dutch Golden Age painting movement and is now part of the Iveagh Bequest at Kenwood House. The subject is Rembrandt himself, depicted as an artist at work, holding his painting tools and standing before the enigmatic circles that have prompted much discussion.