Saucony Progrid Kinvara Running Shoes Review. New introduction for 2010, the Kinvara is undoubtly the most talked about running shoe at the moment. With “less is more” in mind, Saucony launched this extremely lightweight trainer as a lean, clean and essential everyday trainer for the neutral running crowd. Winning Runner’s World Best Debut 2010 surely contributed to Kinvara’s hype, but the shoe truly is a game-changer, especially at this price.