Eur size 28=foot length=16.5-17.0cm
Eur size 29=foot length=17.1-17.6cm
Eur size 30=foot length=17.7-18.3cm
Eur size 31=foot length=18.4-18.9cm
Eur size 32=foot length=19.0-19.6cm
Eur size 33=foot length=19.7-20.3cm
Eur size 34=foot length=20.4-21.0cm
Eur size 35=foot length=21.1-21.6cm
Eur size 36=foot length=21.7-22.2cm
Eur size 37=foot length=22.3-22.9cm
Eur size 38=foot length=23.0-23.5cm
Eur size 39=foot length=23.6-24.2cm
Eur size 40=foot length=24.3-24.9cm
Eur size 41=foot length=25.0-25.5cm
Eur size 42=foot length=25.6-26.2cm
Eur size 43=foot length=26.3-26.9cm
Eur size 44=foot length=27.0-27.5cm
Please according to your foot length to choose the right size; For example, if your foot length is 22.7cm, you can choose Eur size 37; but if your foot is thick or wide, you can choose Eur size 38; if you do not know how to choose,please feel free to contact with us!