Natalia Toporowska, a professional tennis player, took her DōMatcha on a hike through the Sonoran Mountains in Arizona, while traveling on a tournament! She said, "I train 2-3 times a day, 6 days a week for my sport and there are times when the thought of getting up in the morning before the sun to run or workout made me want to curl up in a ball and play dead. Sometimes relying on coffee was t...