0-3 months (newborn) – 4.00″ – soft sole
3-6 months – 4.50″ – soft sole
6-12 months – 4.75″ – soft sole
12-18 months – 5.25″ – rubber sole
18-24 months – 5.75″ – rubber sole
2y-3y – 6.25″ – rubber sole
3y-4y – 6.75″ – rubber sole
4y-5y – 7.25″ – rubber sole
5y-6y – 7.75″ – rubber sole
6y-7y – 8.25″ – rubber sole
