They have a profiled insert.
The shoes were mounted on a low platform.28-17/29-17,5/30-18,5/31-19,5/32-20,5/33-21/34-21,5/35-22cm Big Star children's slippers are made of high-quality plastic resembling foam.When selecting a size, use the size chart. The perfect model for playing in the garden, beach or by the pool.