“I sat in on hundreds of meeting with designers, and this customer was never part of the conversation,” said Mariah Chase, an industry veteran and the chief executive of Eloquii, an e-commerce site devoted to plus sizes. “Once I understood the sheer size of the population and the dearth of merchandise, it blew my mind.”
A 2016 study in the International Journal of Fashion Design, Technology and Education found that the average American woman wore a size 16 or 18. Yet annual spending on larger-size apparel accounts for only 16 percent of the $112 billion market in the United States because the inventory was not available.