1, sole material: the sole of pull-back shoes is made of natural rubber, and the sole is not a two-in-one or three-in-one composite material, but a traditional one-step molding process. In the production process, the sole goes through hundreds of technological processes and natural oxidation for a certain period of time, gradually reducing the hardness of the sole, making it feel softer and more comfortable to wear. The main materials of universal soles are natural rubber and synthetic rubber. At the same time, various functional fillers such as high wear-resistant filler, reinforcing agent and antioxidant are added to improve the anti-slip, wear-resistant and high-temperature resistance of soles, and a certain amount of environmental protection filler is added to reduce environmental pollution.

2. Air permeability of the vamp: Pull back shoes are made of classic suede and cotton cloth, and the vamp has many small holes, which can effectively sweat and introduce fresh air. These small holes are not only conducive to ventilation, but also increase the beauty and personality of the upper. Universal shoes usually use artificial materials and fiber materials, which are generally breathable and cannot make feet breathable like natural materials.

3. Wear comfort: the product positioning of global shoes is mainly based on daily wear and sports occasions. Its design pays attention to comfort and practicality, and it is suitable for walking, running, fitness and other sports, as well as daily wear. Pull back shoes are suitable for various occasions: school, outdoor, work, leisure and so on. Pull back shoes not only meet consumers' taste requirements, but also bring them a more convenient and comfortable wearing experience.