Concepts x Birkenstock Kyoto City Connection | Hypebeast。Concepts and BIRKENSTOCK, two brands known for their innovation and creativity, have teamed up to release a limited-edition Kyoto sandal featuring a felt finish in subtle and classic colors. The release celebrates the 10th anniversary of the two brands\' partnership, as well as the longstanding sister city relationship between Boston and Kyoto, Japan. The Concepts x Birkenstock Kyoto (Black/Gray Felt) features: Contoured cork-latex footbed creates custom support with wear Wool felt and leather upper Hook-and-loop strap lets you adjust the fit Suede footbed lining helps keep you comfortable EVA sole is flexible and lightweight Made in Germany