“We may start to see custom-designed masks and new materials that are more tailored to the requirements of exercise, for example, KN95 more breathable and less bulky, oversized airbags, more adaptable to your face, lighter and less likely to move. around with strenuous activity, resistant to sweat and rain,” he says. “I’m sure this will be a product explosion for years to come. With [covid] becoming endemic, and two years of practice in the habit of wearing masks, I certainly believe that we will have to adjust the way we do everything, from eating to exercising, due to this new reality.”