Size 26 has an insole length of 16cm

Size 27 has an insole length of 16.6 cm

Size 28 has an insole length of 17.2 cm

Size 29 has an insole length of 17.8 cm

Size 30 has an insole length of 18.4 cm

Size 31 has an insole length of 19cm

Size 32 has an insole length of 19.6 cm

Size 33 has an insole length of 20.2 cm

Inner length 20.8cm in size 34

Size 35 has an insole length of 21.4 cm

22cm inside size 36

Inner length 22.6cm in size 37