•Shoes Inner Length Reference:
•Size 21 Inner Length 13.3cm
•Size 22 Inner Length 13.6cm
•Size 23 Inner Length 14cm
•Size 24 inner length 14.5cm
•Size 25 inner length 15.1cm
•Size 26 inner length 16.1cm
•Size 27 Inner Length 16.6cm
•Size 28 Inner Length 17.4cm
•Size 29 Inner Length 18.1cm
•Size 30 inner length 18.6cm
•Size 31 inner length 19.1cm
•Size 32 Inner Length 19.7cm
•Size 33 Inner Length 20.4cm
•Size 34 Inner Length 20.9cm
•Size 35 inner length 21.4cm
•Generally, We recommend that you select the Inner Length =the Foot Length + (0.5-1cm). If you have wide feet or high itnsteps, it's advisable to go one size bigger.This size is manually measured with an error of approximately ± 1cm.