When Nicola Thorp reported for a white-collar job at the London office of PricewaterhouseCoopers in 2016, she was told to switch from her flat footwear to two- to four-inch heels to comply with the company’s official dress-code policy for female employees. Thorp’s refusal to oblige sparked an international debate regarding whether it was appropriate to mandate female employees to wear heels as a part of their professional attire. Currently, in several countries, including the US, women in white-collar jobs are often expected to, or advised to, wear closed-toe heels in neutral colors to...