You order US size,we send chinese size,please be sure
you order USA 4=UK2=34=22cm,

you order USA 5= UK2.5 =35=22.5cm
you order USA 6= UK3.5 =36=23cm

you order USA 6.5= UK4 =37=23.5cm
you order USA 7.5= UK5=38=24cm

you order USA 8.5= UK6 =39=24.5cm
you order USA 9= UK6.5 =40=25cm

you order USA 9.5= UK7= 41=25.5cm
you order USA10= UK7.5 =42=26cm

you order USA 10.5= UK8 =43=26.5cm
you order USA 11= UK8.5= 44=27cm