Women Size Chart US 4.5=EU 34=225mm(bare feet length) US 5.0=EU 35=228mm US 5.5=EU 35.5=231mm US 6.0=EU 36=235mm US 6.5=EU 37=238mm US 7.0=EU 37.5=241mm US 7.5=EU 38=245mm US 8.0=EU 38.5=248mm US 8.5=EU 39=251mm