DescriptionDear CustomerWelcome our store!!Please refer to the details of this productso as not to cause unnecessary trouble.Please allow 1-2cm deviations due to the difference of manual measurementEU36=5.5/4.5 USEU37=6/5 USEU38=7/6 USEU39=8/6.5 USEU40=8.5/7 USEU41=9.5/8 USEU42=10/8.5 USEU43=11/9.5 USEU44=11.5/10 USEU45=12/10.5 US /p> Thanks for your understanding.Because each persons feet are not the same if the size is a little deviation please understandthank you very much!