Please choose size just according your foot length in size table below:

The size is measured by hands, it may has 1-5 mm different.
We send CN size,please refer to your foot lenth to chose US size,For exsample, if my foot length is 265mm, I will chose the US size 9.5 = CN size 43.
If your foot is narrow and thin, you can chose one size smaller.
If your foot is wide and fat, you can chose one size bigger.
Insole length is usually 0-15 mm longer than foot length for normal shoes