The photo shows a pair of black running shoes. There's nothing inherently humorous about the shoes themselves. There's no joke present in the image. It's just a product photo. To have a joke, you need a context.

The photo shows a pair of gray Hummel running shoes. There's no joke in the image itself. It's just a picture of a shoe. Therefore, there's no joke in Turkish or any other language to explain.

The photo shows a pair of white Hummel sports shoes. The shoe's collar and some of the branding are a vibrant green color. There isn't a joke in the image itself. It's just a picture of a shoe. Perhaps you were thinking of a different context. Please provide further details if you'd like a joke related to Hummel shoes or something else.

The photo shows a pair of black sports shoes, likely for running or other athletic activities. The brand is Hummel, a well-known sports brand. There's no joke present in the image itself. It's just a product photo. Without context or additional text, there's nothing humorous about the picture.