Most important human body measurements are used for sizing uniforms and work wear. If the measurements are gained and used inappropriate, the garments may be unsuitable for the end-user. The target group is soldiers which are provided with uniform jackets which appropriate fit is significant for successful accomplishment of their daily tasks. Anthropometry as a method studies total morphological characteristics which measurement procedure can be influenced by different factors – the chosen measuring tools and equipment, the influences of body posture and their changes. The aim of the research is investigation of chest circumference – factors affecting the measurement precision and differences between manual and 3D scanning anthropometrical methods. Different measurements of the chest circumference also in different body postures show that the manually obtained chest girth is closer to the chest girth perpendicular to the axis of the torso, rather than the horizontal chest girth which is most significant dimension in patternmaking of upper body garments.