By Veronika Bondarenko Foot traffic at Lululemon and Athleta is higher than it was before the pandemic. The early saying went that, when the pandemic finally ended, people would ditch the stretchy pants and put on more fancy clothes. Sick of ultra-casual clothing, they would instead turn to brands that sell slacks and button-down shirts instead of leggings and sweatshirts. People Are (Still) Flocking To Lululemon And AthletaBut, as a recent report from Placer.ai shows, traffic at stores that specialize in athleisure is higher than it was before the pandemic. Between 2019 and 2022, visits to Lu…