Nike Men's Air Zoom Structure 21
Lighter and stronger than the previous version, the Nike Air Zoom Structure 21 Men's Running Shoe provides the stability and support that made it a favourite. Softer, lightweight Flymesh material helps keep your feet cool, while responsive Nike Zoom Air cushioning in the forefoot gives you a snappy, springy feeling underfoot.
Forefoot Nike Zoom Air cushioning provides a responsive, springy step
Firm heel structure provides support
Rubber strip along the bottom of the shoe provides a smooth heel-to-toe step
Weight: 295g approx. (men's size 9)