The facilities in New York, North Carolina and Massachusetts will convert from producing shirts and ties to masks and gowns.
The owner of Tommy Bahama and Lilly Pulitzer will now hold April merchandise until the holiday season.
The company believes it could take six to nine months for business to return to normal.
Sales at all its nameplates, including Men’s Wearhouse, had been positive through February.
The designer created a sports-inspired collection for the retailer’s rotating Concepts pop-up shop.
The men’s brand is focusing on volume-producing updated basics as well as a new technically skewed line designed for comfort.
The pop-up will offer merchandise from Champion and Kappa, music performances and appearances from sports and gaming personalities.
Jones got candid with WWD about designing for Jordan, NBA All-Star Weekend, Chicago, Kanye West and Kobe Bryant.
The brand received a $45 million investment last year to support its expansion.
The men’s wear line is based on the clothes popular at the start of the running boom in the Seventies and Eighties.