The inner length of size 21 shoes is about 14cmThe inner length of size 22 shoes is about 14.5cmThe inner length of size 23 shoes is about 15cmThe inner length of size 24 shoes is about 15.5cmThe inner length of size 25 shoes is about 16cmThe inner length of size 26 shoes is about 16.5cmThe inner length of size 27 shoes is about 17cmThe inner length of size 28 shoes is about 17.5cmThe inner length of size 29 shoes is about 18cmThe inner length of size 30 shoes is about 18.5cmThe inner length of size 31 shoes is about 19cmThe inner length of size 32 shoes is about 19.5cm21-26 (take 6 pairs with one hand)27-32 (6 pairs in one hand)
