From Dansko, the Kane Mule Clogs feature:Uppers are injected EVA; I'm Green carbon negativeBiobased EVA which is lightweight and durable.Perforated uppers for ventilation.Removeable, EVA footbed: I'm Green carbon Negative Biobased EVA which is lightweight and cushioned for shock absorption.Dansko Natural Arch technology for added supportWood grain printed sole and /or Dansko exclusive printed on upperChanneled outsole for durabilityApprox. 0.75 inches heel heightImported