How to choose the material of children's board shoes?

Children's shoes should be made of materials with moderate softness, good air permeability, non-slip and wear resistance. Common materials are: rubber, PU, EVA, PVC, etc. Among them, rubber is the most traditional material for children's shoes, which has the advantages of good wear resistance, good anti-slip and difficult deformation. PU material is softer and more breathable than rubber; EVA material is light, suitable for summer wear; PVC material is cheaper, but it is airtight and easy to produce odor.