petit nord berry winter bootsthese petit nord waterproof winter boots in berry color are made of calf skin with a 100% natural wool lining. a hidden zipper has been added to the shoe so children easily can slip on the boot on their own. we recommend 0. 8 1 cm extra wiggle room for boots with lining. size 22 shoe = 13. 6 cm foot, size 23 = 14. 3 cm, size 24 = 15 cm, size 25 = 15. 6 cm, size 26 = 16 cm, size 27 = 16. 4 cm, size 28 = 17 cm, size 29 = 17. 7 cm, size 30 = 18. 4 cm