In Belgische vluchtelingen in Sluis, Alfred Ost presents a scene filled with muted colors, primarily browns and grays. The figures, dressed in period clothing, convey a sense of somberness and resilience. The setting appears to be a temporary shelter, with makeshift arrangements that reflect the hardships faced by the refugees.

The overall atmosphere is one of quiet desperation yet hints at hope for a better future. The painting is executed in oil on canvas, showcasing Ost's skill in capturing the human condition. The brushwork is detailed, allowing viewers to appreciate the textures of the clothing and the expressions on the faces of the figures. The composition is balanced, drawing the eye to the central group of refugees while also providing context through the surrounding environment.

This attention to detail enhances the emotional impact of the work. Alfred Ost was a Belgian painter known for his depictions of social issues, particularly during times of conflict. This work, created in the early 1910s, reflects the plight of Belgian refugees during World War I. An interesting fact about this painting is that it serves as a historical document, capturing a moment in time when many were displaced and seeking safety.

Ost's ability to humanize these experiences through art makes this piece significant in both artistic and historical contexts.