A pair of waffle knit pants with a "blue and blue" feel

https://lorvell.com/en/blogs/%E9%A6%AC%E7%99%BB%E9%80%B1%E6%8E%A8%E8%96%A6/%E4%B8%80%E6%A2%9D%E6%9C%89-%E8%97%8D%E6%9F%92-feel%E7%9A%84%E8%8F%AF%E5%A4%AB%E6%A0%BC%E9%87%9D%E7%B9%94%E8%A4%B2