Nike Free Run 5.0 Dark Gray Pink Womens Shoes are very suitable for various activities because they are very comfortable and flexible to wear. Environmentally-preferred rubber in a waffle piston pattern for lightweight, responsive cushioning. The shoe has skin of the upper enables for cooling and air circulation. The Nike Free Run Shoes give the world a feeling of shoeless running. Consider them a tool for increasing strength, like running stairs or running barefoot in sand or grass. It is suitable for use in, a sprinter training.