Abstract
This study looks upon the borderless phenomenon of genres and at the disintegration of boundaries in fashion, the current 'borderless trend', and analyze modern men's fashion having borderless phenomenon under social changes and disclose current men's fashion. The borderless phenomenon of men's fashion declines traditional image of gender and expresses modern men's images strongly in accordance with social changes: Thus, in modern days, men's images have changed from muscular men having show-off and superiority to women-like men having pearly skin and slender figure. Men's fashion also looked for feminization to let men like make-up, beauty salon, cosmetic surgery and women-like hair style, etc. Men have been also given women's sexy and sensual beauty to put on innerwear as an outerwearization. The Influx and mixing of mutually different cultures is expressed in Hippie, Ethnic, Oriental trends. Mutually opposing country's factors mix so that a new culture is established. Also, the sharing of fashions amongst younger and older generation has occurred for reasons that are similar to the reasons above.