The rise of athletic sportswear and the mainstreaming of once marginal street wear labels have given the trend its latest push, propelling it to the catwalks, where it has thrived intermittently for a number of years. Still, given their erratic up and down trajectory, logos by now should again be heading for the tacky airport shop or the outlet mall.

So it seems perverse that fashion’s love affair with splashy status badges shows no signs of cooling. Logos raced like a contagion through the spring 2019 collections, breaking out on camp shirts and chain belts at Chanel, on hosiery and sneakers at Prada, on epaulets at Balenciaga and spreading over entire ensembles at Gucci, the luxury house that has been widely credited with lending this trend its impetus.

“Right now,” said Anna Ross, the associate women’s wear editor at WGSN, a trend forecasting service, “there seems to be no expiration date.”

So what gives logos their staying power?

For starters, the look is being reimagined in a way that speaks expressly to the young. “Chanel, Fendi and others have obviously seen a huge amount of social currency in appealing to a millennials and Generation Z,” Ms. Ross said. Those bands of streetwise consumers flaunt initialed T-shirts, boots, sneakers, belts and totes with a dash of irony.

“For a brand, this may not be the most subtle marketing strategy,” she added, “but companies see that it’s working.”

Fendi, t aking a page from street wear, plans to drop limited-edition logo-stamped products at regular intervals. “We like the idea of limited editions,” said Silvia Venturini Fendi, the creative director of accessories and men’s wear at the label. “Younger consumers like that you can get the item, then its gone, making way for something new. For us, it’s a way of not being predictable.”