A pair of "SilverDenim" shorts with a metallic base.

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%E5%B8%B6%E6%9C%89%E9%87%91%E5%B1%AC%E5%BA%95%E8%89%B2%E7%9A%84-silverdenim%E9%8A%80%E7%89%9B%E7%9F%AD%E8%A4%B2