The purpose of this study is to comprehend western style in fashion and to contemplate the hybrid tendency reflected on western style, thereby to analyze the aesthetic characteristics of the hybrid tendency of western style. For such purposes, this study first examines western style historically, in order to analyze hybrid tendency reflected on western style, and conduct a case study by analyzing photographic materials of pr t- -porter collection since 1980s. The result of this study is as follows: the hybrid tendency reflected on western style are modification and fusion of regional culture, adaptation and composition of subcultures, and appropriation of sexual minority culture. (1) Modification and fusion of regional culture is expressed in ethnic items and patterns of embroidery, mixing Mexican and Spanish, American Indian and American cultural references. (2) Adaptation and composition of subcultures emphasize traditional or vintage western style by mixing characteristics of western and other subcultures. (3) Appropriation of sexual minority culture is expressed in rhinestone chaps and fetish corset, glitter rodeo suit, reminiscent of drag or queer cultural references. The result of this study will provide basis which can be utilized in the development and educational background of fashion design.