Garvalin Kids - 72132-a (Toddler/Youth) (Crackled Blue) - Kids' Shoes: Garvalin's shoes have a generous cut in sizing so, they run big. ; European styling in a summer sandal for boys. Color contrasted soft premium leather upper. Leather footbed. Hook and loop closure for easy adjustability. 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. Rubber sole for traction.