The layered quilting creates a patchwork effect in these "quilted knee-length pants".

https://lorvell.com/en/blogs/%E9%A6%AC%E7%99%BB%E9%80%B1%E6%8E%A8%E8%96%A6/%E7%96%8A%E5%8A%A0%E7%B5%8E%E7%B7%9A%E5%87%B8%E5%87%BA%E6%8B%BC%E6%8E%A5%E6%84%9F%E7%9A%84-%E7%B5%8E%E7%B8%AB%E9%9B%99%E8%86%9D%E8%A4%B2