Insole Length=foot length+1.5cm(winter shoes)

Insole Length=foot length+1cm(Autumn Spring shoes)

CN size 21(Inner foot length 13.5cm)=Fit foot length about 12.5  cm
CN size 22(Inner foot length 14cm)=Fit foot length about 13  cm
CN size 23(Inner foot length 14.5cm)=Fit foot length about 13.5 cm
CN size 24(Inner foot length 15cm)=Fit foot length about 14 cm
CN size 25(Inner foot length 15.5cm)=Fit foot length about 14.5  cm
CN size 26(Inner foot length 15.8cm)=Fit foot length about 14.8 cm
CN size 27(Inner foot length 16.3cm)=Fit foot length about 15.3 cm
CN size 28(Inner foot length 17cm)=Fit foot length about 16  cm
CN size 29(Inner foot length 17.7cm)=Fit foot length about 16.7 cm
CN size 30(Inner foot length 18.5cm)=Fit foot length about 17.5cm
CN size 31(Inner foot length 19cm)=Fit foot length about 18 cm
CN size 32(Inner foot length 19.6cm)=Fit foot length about 18.6 cm
CN size 33(Inner foot length 20.2cm)=Fit foot length about 19.2 cm
CN size 34(Inner foot length 21cm)=Fit foot length about 20 cm
CN size 35(Inner foot length 21.5cm)=Fit foot length about  20.5 cm

CN size 36(Inner foot length 22cm)=Fit foot length about  21 cm

9721 style children leather boots autumn leather baby fashion ankle boots winter warm plush snow boots for kids