IF YOU’VE EVER struggled to glance at a running watch covered by layers of winter activewear or skipped peeking down at your bike’s computer to navigate a busy road, you know how hard it can be to take advantage of your body’s catalog of metrics during exercise. A new class of workout glasses may help streamline the process by tracking stats—such as speed, distance, elevation and power output—and flashing them before your eyes.
By using what’s essentially a built-in mini movie projector to beam data into your field of vision, these glasses can promote efficiency and safety. Every time you flick your wrist to peek at your fitness watch, “you’re breaking down your form and disrupting your biomechanics,” said Shannon Baird, an ultramarathoner and board member for the Association for Applied Sport Psychology. Here, three models for different needs.
