Who should choose the best short bob haircuts? If you have a non-proportional and structured body, stay away from short hair models. The short hair with no volume breaks down the body part and makes you look deformed. For this reason, overweight women should not choose short hair models. The second exception for short hair is women with long hair. Short hair for long ladies is not recommended. The reason for this is that long neck long shorts will show you longer than your neck.