Authentic product purchased from the Bacchus Shop on Amazon. I have secured the number of pairs I need, so I will sell one pair. When considering a purchase, I thought about buying it cheaper on Mercari, but I couldn't shake the risk of getting a fake, so I ended up buying it from the official store. Size: M 25.0-26.0cm Color: Black Unused (Opened to check the contents and then put back) *The box was partially crushed from the beginning. I will ship it as is, so please refrain from purchasing if you are concerned. *Returns are not accepted to prevent swapping, as fakes are circulating.