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 Project and MAN fairs saw vendors display more suits, sport coats and technical outerwear.
Dior, Valentino, Louis Vuitton, Amiri and Sacai were among the brands that wowed buyers in a season where streetwear’s star is waning.
WHP Global made a deal last week to buy the brand for $115 million.
The men’s store was founded in 1947 and run by the third generation of the family.
Winston will absorb nearly all of the 2,000 people that work for Randa’s Market Connect Group division.
Other retailers such as Saks, The Webster and Dover Street Market are also seen as possible options.