For a decade, a Chinese tailor toiled in a three-story building on the outskirts of Milan, working 13 hours a day making high-end garments for brands including Italian cashmere label Loro Piana.

Other boldface names that have been implicated in recent years include a Giorgio Armani Group-owned firm, a Christian Dior ...

Haute couture season in Paris is unlike any other. Especially in the northern hemisphere summer when the warping effect of ...