Size 21 shoe length is about 13.5cm QC 22 size shoe length is about 14cm23 size shoe inner length is about 14.5cmThe inner length of the 24-size shoe is about 15cmThe inner length of the 25-size shoe is about 15.5cmSize 26 shoe length is about 16cmThe inner length of the 27-size shoe is about 16.5cmSize 28 shoe length is about 17cmSize 29 shoe length is about 17.5cmThe inner length of the 30-size shoe is about 18cmThe inner length of the 31-size shoe is about 18.5cmThe inner length of the 32-size shoe is about 19cm33 size shoe inner length is about 19.5cm34 size shoe length is about 20cm35 size shoe inner length is about 20.5cmSize 36 shoe length is about 21cmSize 37 shoe length is about 21.5cmSize 38 shoe length is about 22cm21-26 (6 pairs in one hand)27-32 (6 pairs in one hand)33-38 (6 pairs in one hand)