Full - 7.5" or wider Height - 160cm or taller Age - 13 years or older Adult Shoe size - 9 or Bigger
Mid - 7.25" - 7.375" Height - 130cm - 160cm Age - 9-12 years Adult Shoe size - 6-8
Mini - 7.0" wide Height - 102cm - 130cm Age - 6-8 years Kids Shoe size - 2-5
Micro - 6.5" - 6.75" wide Height - 102cm or smaller Age - 5 years or younger Kids Shoe size - 1 or smaller