The Reign of Leggings Is Over. What’s Next?

Purba Tyagi is a yoga teacher based in New York City. For the past year, she has not worn a single pair of leggings to class.

Instead, Tyagi, 30, is finding her balance on the mat in various wider pants designed for casual wear, such as Paloma Wool’s stretchy jersey-knit pants and Deiji Studio’s linen trousers that can almost double as pyjamas.

“I sleep in them, wake up in them, teach in them and go out to a bar in them,” she said. “With leggings, it’s like I’m going to give…