The bride wore … cargo pants?

Rosie Assoulin never intended to do bridal wear.

But as the fashion designer tells it, after debuting her namesake ready-to-wear label in 2013, clients gravitated to its white pieces for wedding attire. Soon fans began asking about a bridal collection; by Assoulin’s estimate, her company received hundreds of such inquiries over the years.

By 2020, she had recognized that those requests could no longer be ignored. Then, just as her sister…