"Take advantage of nature’s gym. Let the terrain and conditions dictate movement, making you stronger, healthier and more able to enjoy your time outside when nature’s call comes. Learn more at Merrell.com today. #TrainSoICan"
Ad for Merrill training shoe. I really like the idea of nature's gym. We weren't born with shoes. Nature provides the most natural workout for our feet. But it sounds like technology is catching up.