US 4=CHINA 34=Foot length 22 cm
US 4.5=CHINA 35=Foot length 22.5 cm
US 5.5=CHINA 36=Foot length 23 cm
US 6=CHINA 37=Foot length 23.5 cm
US 7=CHINA 38= Foot length 24 cm
US 8=CHINA 39= Foot length 24.5cm
US 8.5=CHINA 40= Foot length 25 cm
US 9.5=CHINA 41= Foot length 25.5 cm
US 10=CHINA 42= Foot length 26 cm
US 11=CHINA 43= Foot length 26.5 cm