Clothing size works as an arbiter of the body ideal. The level of complexity required of clothing measurement systems centres on the problem that clothing must fit closely to the body, whereas manufactured products, like a chair, can be designed to suit a wide range of people, clothing has, by its very nature, less ability to be flexible. Clothing size systems should be developed after undertaking anthropometric surveys of the population and using statistical analysis to construct a set of reasonable standards. Here we argue that social factors in lifestyle, demographics and consumption have radically altered women's body size and shape. Yet, systems in Australia, the United States and the United Kingdom have measured only a tiny per cent of the female population that fall within a vanity-size shape, as reflected in the marketing of clothing by global brands and high fashion houses, resulting in the size zero debates. This review of the chequered history of women's clothing size systems has resulted in the inconsistent sizing in the marketplace, as well as a structural unsuitability for the women's bodies for whom the clothing was designed. Recently, the challenge to ad hoc or vanity-sizing systems appears in social media forums from women who pioneer as models wearing 'plus sized' or rather, 'right sized' fashionable garments. Social media offers a platform to represent larger women via online access, to purchase right sized fashion and to view themselves no longer as outliers, as this fresh perspective informs contemporary social images of the female body.