Rubber soleHeel measures approximately 4.72 inches"[ Good Material ] - Breathable mesh fabric upper and durable, soft rubber sole offer comfortable feel to the baby.[ Flexible&Cozy ]- Lightweight and flexible to support natural foot movement.[Practical&Protecting ]- Anti-collision closed-toe and anti-slip design protect the babies when they are walking, running or climbing. The slip-on closure makes our baby sports sandals easy to put on,take off and stay on your baby feet all day.[ STYLISH DESIGN ] -Suitable for walking, running, pool, beach, park, garden, hiking, indoor and outdoor activities, good for daily use.[ SIZE TIP ] - Please refer to the size chart and measure your baby's feet before ordering the baby sports sandals.