One of the most important goals of a garment manufacturer is to provide the desired fit of their products for their specific consumers. Consumers are not happy with clothing that does not provide good and desirable fit. Regardless of how one defines fit exactly, it must always start from basic human proportional truths. In this context, the garment manufacturing should be made by taking into account the structure of the human body in apparel industry. Scientists have interested closely with human body type classifications for old times. In the time period which extents from Archaic times to today, scientists, doctors and artists have tried to examine human body by dividing it various sections, and they have put forth an effort to explain composition of the body. After executing long studies, human structures' various types has been classified according to their permanent characteristics and somatotypes has been determined. In the classifications based on the body types; physical performance, tendency to diseases and individual characteristics have been taken into account. In the apparel industry, some of the studies had been conducted over body types classification. When these studies were examined, it has been seen that, somatype terms had not been used; some of the different terms have been used instead of these terms. In this study the informations about classification of the body types are given, and body types which are used in the apparel industry are emphasized. Also by using 3 Dimensions virtual sewing and try-on (V-Stitcher), manikins, which have different body types but also in the same size (etc. 36-38-40), are created and the pant pattern, prepared in Muller Pattern Preparing System, is dressed the manikins. The aim of this study is introducing the necessity to associate garment patterns with body types to provide desired fit.