14.5cm inside size 23

The inner length of size 24 shoes is about 15.0cm

The inner length of size 25 shoes is about 15.5cm

The inner length of size 26 shoes is about 16.0cm

The inner length of size 27 shoes is about 16.5cm

The inner length of size 28 shoes is about 17.2cm

The inner length of size 29 shoes is about 17.8cm

The inner length of size 30 shoes is about 18.5cm

The inner length of size 31 shoes is about 18.7cm

The inner length of size 32 shoes is about 19.5cm

The inner length of size 33 shoes is about 20.0cm

The inner length of size 34 shoes is about 20.5cm

The inner length of size 35 shoes is about 21.0cm

The inner length of size 36 shoes is about 21.7cm

23-25 yards, 3 pairs in one hand

26-30 yards, 5 pairs in one hand

31-36 yards, 6 pairs in one hand