Top male anti-perspirant/deodorant brand Old Spice named reigning champion Phoenix, AZ the “Undisputed Sweatiest City” in celebration of summer – and in preparation for many seasons to come. As the final year for this popular summertime study, Old Spice is also recognizing the Top-20 All-Time Sweatiest Cities, hot spots across the country that burned up the charts year after year. “As temperatures heat up this summer, people across the country can’t help but ...