In addition to contoured design of upper, design of upper should also emphasize structural relationship between parts and structural characteristics of style, which is different from simple design of upper. Designers should focus on understanding construction style of upper in design of upper. Different types of construction correspond to different styles, which is inner essence of form. All shoes of different styles and shapes are ultimately result of a structural transformation.
Different types of shoes vary greatly in shape due to different functional requirements. For example, running shoes. appearance factors.
Reflected in changes to top surface, this will form its unique style. So when we put running shoes, skateboard shoes and football boots together, we will find that there is a big difference between them. As a shoe product, biggest requirement is to meet practical and functional requirements of people. This is basis for development of new products. Practical functions determine structure, and characteristics of structure determine direction of shape change.