length chart:

size 3- 19 inches

size 4- 21 inches

size 5- 22.5 inches

size 6- 24.5 inches

size 7- 27 inches

size 8- 28.5 inches

size 9- 30 inches

size 10- 32 inches

size 12- 34 inches

 size 14- 37 inches