The purpose of this study was to investigate the relationship between self-concept and clothing behavior of adult males. Measures selected for this study consisted of the clothing satisfaction, clothing exhibitionism and fashionability scale developed by author and Chung self-concept scales. The questionnaires were distributed to the three groups of adult males in Seoul. Data from 532 respondents, (171 bankers, 181 businessmen and, 180 teachers) were analyzed by correlations and F-tetss. The results were: 1) A significant positive relationship was found between total positive self and the satisfaction of clothing. 2) A significant positive relationship was found between self-criticism and the exhibitionism of clothing. 3) A significant positive relationship was found between physical self and the exhibitionism of clothing. 4) Significant difference was found on an aspect of clothing behavior among the occupational groups: the bankers and businessmen were more interested in fashion than the teachers. 5) As for the criterion used on the purchase of clothing for five occasions, comfort was most important factor for the clothing selection.