Women's running shoes Saucony Kinvara 12. The Kinvara 12 is a fast running shoe you can count on. Lighter and with a simplified upper, it makes you feel like you're moving faster than ever, with the flexibility to take you to the starting line harder and reach the finish line sooner. Features: PWRRUN cushioning maintains the lightness and responsiveness that make this shoe a favorite for everyday training or long-distance racing. The addition of more ground contact adds power to the shoe's…