In this research we discuss the relationship between Menswear Style and ladies' Fashion Designing where the researcher thinks that there is the effect for men's clothes style on ladies' fashion and how effect on selecting their clothing styles. In this days, we notes lot of women are wearing types of menswear such as suit, pants and shirts where many of them believed that menswear is practical, wearable ,fashionable and more quality. The researcher had selected 300 women and girls where leading figures of women in universities and civil institutions, and divided them into three equal groups according to age as follow: Group [A] within age (18-30) years. Group [B] within age (30-40) years. Group[C] within age (40-50) years. The researcher had designed questionnaires about the main subject for the three different groups of women and girls in different levels of age and he had used the way of Analytical Descriptive as a research Methodology. In the final results after compared and analyzed where the presence of statistically significant differences between the mean scores of the three different groups based on their age while the results indicator leads us to the results as following: 69% of First group (A) of workers women have tendencies to wear some types of menswear like pants, shirt and suit. 78% of Second group (B) of the young women and girls are interested in to wear some types of men's clothing like jeans and t-shirt. 82%. Of the third group(C) of women "older" refuse to wear menswear.