The Tokio clog from BIRKENSTOCK is a variation of the iconic Boston. It features a heel strap and can be worn all year round. Its upper is made of Birko-Flor®, a soft and durable synthetic material with a stylish nubuck leather appearance. With such a texture and color, this material closely resembles genuine leather.Anatomical footbed made of cork and latexUpper: Birko-Flor® nubuckInsole: suede leatherOutsole: EVADetails: adjustable metal pin buckles