Nike Air Zoom Structure 25 - Women'sWith its stability enhancing features, the Nike Structure 25 ensures a supported experience when you need it most. Its midsole not only delivers comfortable cushioning for your feet but but also features Air Zoom pods in key area to promote a bouncy ride without inhibiting the shoe's natural stability. The outsole boasts a durable rubber tread that enhances traction on various road surfaces, while the groove design increases the shoe's flexibility.