In this painting, Matthaeus Yrsselius is depicted in rich colors, primarily deep reds and golds. He wears a luxurious robe adorned with intricate details, reflecting his status as an abbot. The background is softly blurred, focusing attention on his figure and expression.

The light falls gently on his face, highlighting his features and the texture of his garments. The painting is executed in oil on canvas, a common medium for Peter Paul Rubens. The brushwork is fluid, showcasing Rubens' ability to create lifelike textures and depth. The composition is balanced, with Yrsselius positioned centrally, drawing the viewer's gaze.

The use of chiaroscuro enhances the three-dimensionality of the figure. Peter Paul Rubens was a prominent Baroque artist known for his dynamic compositions and vibrant colors. This portrait of Matthaeus Yrsselius reflects the artist's skill in capturing the essence of his subjects. Interestingly, Rubens often painted portraits of influential figures in Antwerp, contributing to the city's cultural legacy.

This work exemplifies his mastery of portraiture during the early 17th century.