Brand New in Box. Not tried on or worn. Black solid leather outsole with sheep sterling insole. Black on Black. Buckles are a beautiful silver. $185 Retail. The BIRKENSTOCK Tokio clog is a variation of the classic Boston. This version features a back strap and shearling lining for added coziness. The upper is a soft yet durable oiled leather. Anatomically shaped cork-latex footbed Upper: oiled nubuck leather with shearling lining Footbed lining: shearling Sole: EVA Details: strap with an individually adjustable metal pin buckle; back strap “Made in Germany”