Size 21 has an insole length of 13.0 cm

Size 22 has an insole length of 13.5 cm

Inner length 14.0cm in size 23

14.5cm inside size 24

15.0cm inside size 25

15.5cm inside size 26

Inner length 16.0cm in size 27

Size 28 has an insole length of 16.6 cm

Size 29 has an insole length of 17.2 cm

Size 30 has an insole length of 17.8 cm

Inner length 18.4cm in size 31

Inner length 19.0cm in size 32

Size 33 has an insole length of 19.6 cm

Size 34 has an insole length of 20.2 cm

20.8cm inside size 35