How to distinguish four insoles of Dr. Jiang's "Children's Cushion ABC" series?

The four insoles of Dr. Jiang's "children's pad ABC" series are A, B, C and D respectively. The main difference between these four insoles is the hardness and the applicable population.

-A-type insole: suitable for infants aged 0-4 years, with hardness of 1.5 degrees, and suitable for infants with foot development.

-B-type insole: suitable for children aged 2-8 years, with a hardness of 2.5 degrees, suitable for babies whose arch begins to form.

-C insole: suitable for children aged 3- 12, with hardness of 3.5 degrees, suitable for babies with arch molding.

-D insole: suitable for children aged 6- 14, with hardness of 4.5 degrees, suitable for babies with high arch development.

In addition, these four insoles also use different materials and processes. For example, the A-type insole is made of EVA material, which has good shock absorption and breathability; B-type insole is made of TPU, which has good wear resistance and support. C-type insole is made of MD material, which has good support and stability; D-type insole is made of PU material, which has good wear resistance and slip resistance.

In short, the four insoles of Dr. Jiang's "Children's Cushion ABC" series are different in hardness, suitability for people, material and technology. You can choose the appropriate insoles according to your baby's age and foot development.