| Seen from the development course of several hundred years of underwear from its birth to today, the evolution of underwear is synchronized with the progress of social ideology and science technology. With the promotion of times, and gradual mature of consuming psychology and self-consciousness in the female society, women’s appeal for shaping the body’s beauty has become more rational, and to put the health and comfortableness at the first place. The underwear has been gradually improved to today’s bra with both comfortable and fashion features from its tight-fitting style in the medieval period in Europe, experienced a revolutionary innovation in textile technology, reform and innovation of sewing machinery, squeeze-film technology innovation, the digital advance, and the innovation of measurement software and so on. And now the significance of underwear is not just a simple orthopedic dress, the diversification of market demand has made it more beneficially functional, cultural, and deep-level using meaning.Through the market survey analysis combined with modeling of body measurement, it found that a considerable proportion of female consumers have some uncomfortable issues of model cup when wearing underwear products. In summary, it is found that most uncomfortable issue is caused by the unreasonable pressure of underwear model cup on breast tissue. How to make the underwear to maximize the underwear comfortableness on the basis of fashion has become the purpose and significance of this topic.Underwear is an intricate loaded body, through the research of underwear type, mold cup is the most important part in the underwear structure, an high-quality model cup design must be consistent with the protection of maintaining an ideal form of female breasts, and has the function to correct the unsatisfactory breast shape to the ideal form. A high-quality model cup is an important qualification for depending whether an underwear design can succeed, so the design technical content and the manufacturing level has become the soft power of core technology of underwear enterprises. Today, the development technology of model cup is a core classified technology of each company, and can form the actual market competitiveness. An underwear designer must have a good understanding and control ability to underwear model cup.In order to maximize the underwear comfortableness on the basis of fashion, this topic breaks the concept of researching underwear on the simple function, to return to the natural form research of the female breast, and makes the comprehensive research for the comfortableness of underwear model cup based on the human ergonomics, underwear structure and other knowledge, study the direction and distribution of the force and reacting force for the underwear on breasts tissue, to find out the uncomfortable issues of model cup, and continue the in-depth analysis to present improving program. On the other hand, while studying the design techniques of underwear model cup, to promote thinking, make the combination of application of new materials and the scientific and rational process, test and validate the innovative ideas in the production practice, and to perform the comfortableness research and market validation of underwear model cup with enterprises. |