In Portrait of Wigbold Slicher, the subject is depicted in a three-quarter pose, dressed in elegant attire typical of the 17th century. The color palette features rich earth tones, with deep browns and warm golds that enhance the subject's dignified presence. Slicher's expression is serious yet introspective, suggesting a thoughtful character.

The background is subtly dark, allowing the figure to stand out prominently. The painting is executed in oil on canvas, a common medium during the Dutch Golden Age. The artist, Nicolaes Maes, is known for his ability to render textures and fabrics with remarkable detail, which is evident in the intricate lace and fabric of Slicher's clothing. The use of light and shadow creates a sense of depth, drawing the viewer's eye to the subject's face.

The dimensions of the work are approximately 70 x 90 cm. Nicolaes Maes was a prominent Dutch painter who studied under Rembrandt, which influenced his style significantly. This portrait of Wigbold Slicher is notable for its psychological depth, capturing not just the likeness but also the essence of the sitter. Interestingly, Slicher was a notable figure in Dutch society, and this portrait reflects his status.

Maes's work often focused on portraits and genre scenes, showcasing the daily life of the Dutch in the 17th century.