1.Beacuse US Size And China Size Have Little Differen So Pleaes Look Shoes Inner Choose Your Size.
2. About right shoes size length=foot length +(0.5cm-0.8cm)
If Your Foot Length is 24.5cm, You Need Choose US Size7.5, Shoes Insole Length 25cm Will Fit You

US size:5.5 =Eu size 36 =China SIZE 36=shoes inner of length 23.5cm
US size:6 =Eu size 37 =China SIZE 37=shoes inner of length 23.5cm
US size:6.5 =Eu size 38-39 =China SIZE 38=shoes inner of length 24cm
US size:7 =Eu size 40 =China SIZE 39=shoes inner of length 24.5cm
US size:7.5 =Eu size 40-41 =China SIZE 40=shoes inner of length 25cm
US size:8 =Eu size 41 =China SIZE 41=shoes inner of length 25.5cm
US size:9 =Eu size 42=China SIZE 42=shoes inner of length 26cm
US size:9.5 =Eu size 42-43 =China SIZE 43=shoes inner of length 26.5cm
US size:10 =Eu size 43=China SIZE 44=shoes inner of length 27cm

*Package:1 shoes(pair) (Note:not include shoe box)
I wish you the best A happy shopping