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