Unlike many other major apparel firms, value fashion chain Primark chooses not to openly set targets for its sustainability and ethical commitments, but instead "just get on and do it," as Katharine Stewart, Primark's director of ethical trade, tells just-style. Yet in recent years the retailer has started to open up about its work to engage more closely with its supply chain: in particular, turning its focus to ensuring all the cotton in its products is sourced sustainably.