Garvalin Kids - 72133-b (Toddler) (Crackled Blue) - Kids' Shoes: Garvalin's shoes have a generous cut in sizing so, they run big. ; Biomecanics(tm) is the interaction of the on/off points located on the sole and the inner sole that generates energy waves that massage the foot, providing the balance needed for correct development. Distressed leather upper. Leather lining. Hook and loop closure. Rubber sole provides traction.