Sleek. Aggressive. Lightweight. And strong. The women s 400v3 sprint spike is a powerful tool in your quest to keep beating your best. When a single second can make the difference between winning and losing, you need every speed advantage you can get. The 400v3 women’s competition spike puts your foot in the ideal sprint position. An aggressive 8-spike configuration helps propel you forward while thin film overlays give it a second-skin like feel.