【 Using MD sole 】 Using MD sole is more soft, comfortable, and durable compared to rubber sole. Convenient hook & loop closure design for easy on and off,help kids put on shoes easier and quickly by themselves. 【Upper knitted mesh】Maintain a certain amount of air flow inside the shoes, so that children's feet will not feel stuffy inside, and help improve the reduction of bacteria inside the shoes, protecting children's feet 【Non-Slip and Flexible Sole】The Grip of the MD sole can effectively prevent slipping, and ensure the safety of your kids.Very Soft and Flexible for any occasions. Suitable for indoor outdoor sports, school,Casual,Walking,Running,Traveling, Walking, hiking and more.