What is the fault? 
We really can't tell, each product has a different minor fault just like color variation. But one thing we can tell is that it is minor and hardly noticeable. Rest assured that if you don't like the product or think it is more faulty than you had thought - simply return it under our legendary "30 Days No Questions Asked Money Back Guarantee".

Key Features:

• Slip-On Design: Convenient, no-lace design for quick and easy wear.
• Breathable Knit Upper: Enhances airflow, keeping feet cool and comfortable throughout the day.
• Air Cushion Sole: Built-in air unit in the sole provides superior shock absorption, reducing impact on joints and ensuring lasting comfort.
• Cushioned Support: The soft, cushioned sole offers exceptional support for walking, light sports, and casual outings.
• Durable Outsole: Designed with excellent grip and stability, suitable for both indoor and outdoor use.
• Versatile Style: Perfect for school, play, travel, or light fitness activities, combining functionality with a sleek look.

Upper material: Mesh
Sole material: PVC

Please note: These shoes are delivered without a box.