The purpose of this study was to investigate the effects of internet shopping interest, fashion interest, sex on Internet clothing purchase intention and selection criteria. The subjects used for the study were 76 male and 125 female college students. The clothing purchase intention was measured by five categories: formal wear, casual wear, sports wear, under wear, and fashion accessories. The clothing selection criteria consisted of four factors: aesthetics, conformity, individuality, and comfort. The results showed that there was a main effect of Internet shopping interest on Internet purchase intention for all clothing categories. Also, there were differences between men and women concerning the purchase intention of casual wear and sports wear. In regard to clothing selection criteria, the results showed that fashion interest and sex had an impact on three factors of clothing selection criteria. The subjects considered aesthetics, conformity, and individuality important when they had higher fashion interest or were female. In addition to main effects, the interaction effects among Internet shopping interest, fashion interest, and sex were discussed.